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Top Linux Administrator Skills

Below we've compiled a list of the most important skills for a Linux Administrator. We ranked the top skills based on the percentage of Linux Administrator resumes they appeared on. For example, 5.6% of Linux Administrator resumes contained Linux as a skill. Let's find out what skills a Linux Administrator actually needs in order to be successful in the workplace.

The six most common skills found on Linux Administrator resumes in 2020. Read below to see the full list.

1. Linux

high Demand
Here's how Linux is used in Linux Administrator jobs:
  • Mentored other systems administrators in engineering, installation, configuration, testing and administration of Linux servers.
  • Inventoried Apache web server/LAMP cluster software configurations and performed additional various Linux System Administration duties as required.
  • Provided ongoing management, performance-tuning and Tier 3 support for approximately 50 Linux and Unix systems-users.
  • Ensured well-managed and maintained Linux servers and related applications, critical to the organization.
  • Worked on reliability, manage liability and performance improvements for Linux enterprises.
  • Developed Linux log analysis procedures to detect problems and security intrusions.
  • Installed Operating System and configured kernel parameters for Linux/Unix servers.
  • Planned and implemented migrations from lower end to higher end in OS level and Hardware level in HP-UX and Linux servers.
  • Planned, Scheduled and Implemented on Linux boxes as part of proactive maintenance and Secure Shell (SSH) Implementation.
  • Configured Linux servers as clients to satellite server to use it as repository server and used it for quarterly patching.
  • Involved in building Linux VM's using VM templates and kick start servers to build multiple servers over the network.
  • Performed Linux server deployments, cloning of existing systems, snapshots for point in time backups before production changes.
  • Monitored the Linux servers on a regular basis and was into tuning them accordingly in order to optimize performance.
  • Managed activities for HP-UX and Oracle Linux instances to operate, release and maintain both physical and virtual environments.
  • Installed Pre-Execution environment boot and Kick start method on multiple servers, remote installation of Linux using PXE boot.
  • Configured SNMP with private community strings to monitor Linux servers through the SNMP management server (SolarWinds).
  • Worked on Linux network (TCP) performance tuning with system control to increase the network performance.
  • Performed on Mirroring of root disks using Sun Volume Manager;hardware raid for Linux systems.
  • Created websites running on Linux web-servers utilizing PHP and MySQL for form creation and data storage.
  • Installed and configured backup software Amanda Backup for the development environment on Linux CentOS servers.

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2. Hardware

high Demand
Here's how Hardware is used in Linux Administrator jobs:
  • Installed and maintained all server hardware and software systems and administered all server performance and ensured availability for same.
  • Analyzed and resolved problems associated with Linux server/desktop hardware, application software.
  • Worked extensively on capacity planning, hardware procurement and server replenishment projects.
  • Maintained application and security polices and resolve hardware/software interface problems.
  • Created documentation for technical details on hardware and networking.
  • Supervised hardware installations and performed OS upgrades.
  • Planed, coordinated, and implemented software and hardware upgrade, such as OS upgrading, adding disk arrays, etc.
  • Installed, configured, maintained and enhanced operating system and system support software/hardware in Enterprise Linux 6.x, 5.x, 4.x.
  • Installed several application software, handled trouble shooting, user management and hardware support, backup and restore patches, upgrades.
  • Led print server migration project to move print services from at risk hardware running NT to newer hardware running W2K Server.
  • Initiated Backups on daily basis and resolved problems related to hardware, operating systems, third party applications and scripts.
  • Provided 24/7 technical support and resolution to operators' requests concerning system hardware, software, and network issues.
  • Monitored system logs and root's email for important messages such as errors and warnings or hardware failure errors.
  • Played a key role in server sizing and identifying, recommending optimal server hardware based on business requirements.
  • Demonstrated ability with server and data storage hardware concepts with ability to conduct basic hardware and software sizing.
  • Involved in hardware installation and maintenance of workstations, servers, networking equipment, and other supporting hardware.
  • Played responsible role for deciding the hardware configurations for the cluster along with other teams in the company.
  • Collaborated with the EMC and NetApp team for the storage requirements in Blade and Brick Hardware.
  • Involved in capacity planning and series of meetings before final sales of hardware purchase for projects.
  • Worked with Dell on trouble shooting hardware issues and diagnose servers with various Dell error codes.

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3. Red Hat

high Demand
Here's how Red Hat is used in Linux Administrator jobs:
  • Modernized security policy for Red Hat servers
  • Administered and maintained Red Hat 4.x/5.x, troubleshoot hardware, operating system, applications & network problems, and performance issues.
  • Based on the audit requirements applied patches every quarterly using Red Hat Satellite server, Up2Date, YUM, RPM tools.
  • Monitored and administrating of Red Hat Linux on Enterprise class servers for operating systems, patches, packages, hardware drivers.
  • Experienced as Red Hat Enterprise Linux administrator and migrated 29 games from physical to virtual (P2V) environment.
  • Defined, documented and implemented hardened, standardized operating system images based on Red Hat Linux Enterprise 4,5,6.
  • Configured system group users to allow access to software channels for software installations via Red Hat Satellite Server.
  • Administered Red Hat Linux servers for several functions including managing Apache/Tomcat server, mail server, My-SQL database.
  • Deployed Red Hat Satellite server with custom repositories to provide a stable management solution for the Linux environment.
  • Involved in installation, configuration and preparation of technical design specifications of RED HatLinux and IBM AIX Servers.
  • Patched and configured Red Hat and Windows systems in accordance with customer requests and published technical orders.
  • Installed/upgraded and configured Dell servers and workstations with Red Hat Linux at the Naval Surface Warfare Center.
  • Updated the systems using Red Hat Enterprise Network (RHN), managing and monitoring through RHN.
  • Involved in Building and configuring Red Hat Linux Servers using KickStart server as required for the project.
  • Worked here while I was also going to school at the Red Hat academy learning Red Hat/CentOS.
  • Upgraded Red hat current release level patches with Red hat satellite server in large-scale production environment.
  • Engineered, deployed and managed Red Hat Clusters with GFS2 file systems for use with MarkLogic.
  • Managed Systems and Network related issues like Installation, Configuration and Troubleshooting on Red HAT platform.
  • Configured and administered LDAP, NFS, FTP and POSTFIX servers in Red Hat Enterprise Linux.
  • Deployed patches for Linux and application servers as well as Red Hat Linux Kernel Tuning.

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4. Windows

high Demand
Here's how Windows is used in Linux Administrator jobs:
  • Managed prominent level web applications and worked with windows and Linux based administrations in physical/virtual environments.
  • Performed system deployments including hardware and software configuration primarily on Windows and Apple computers.
  • Automated configuration and deployment of Linux and Windows machines using Puppet.
  • Implemented code updates during approved change management windows.
  • Configured authentication methods for Linux and Windows servers.
  • Administered Windows/Linux servers and desktops.
  • Shared files between Linux boxes and windows using the WinSCP, a secure FTP, SCP client for Microsoft Windows.
  • Involved in creating volumes on raid groups and aggregates and sharing to Windows and UNIX servers using CIFS & NFS.
  • Worked on Windows Server 2003/2008 for correcting the Knowledge Capture Bulk Loader documents and IBM DB2 content manager errors.
  • Installed and configured RED HAT Enterprise Linux 5/6, SUSE 9/10 Windows 2003 on 150 virtual servers.
  • Worked on automating different tasks using Windows Power shell and managed patching for LINUX and Windows servers.
  • Directed the implementation and performance tuning of Windows 2003 Server environment for client's global operations.
  • Maintained the Windows 2008 R2 and 2012 Servers which included deployment, patching, server hardening.
  • Managed Windows / Unix-based development, test, and production servers for Tucson Storage Technologies Group.
  • Experienced on configuration, installation and patches upgrades of Tripwire Log Center on windows environment.
  • Created group policies to manage and configure user and server settings in windows environment.
  • Worked with mixed systems, primarily Red Hat Linux, but also Windows Server.
  • Managed both Windows, Linux, SQL, NAS client backups using CommVault backup.
  • Installed and configured SiteMinder Policy Server (5.5/ 6.0) on UNIX/Windows environments.
  • Worked mostly with setting up PC hardware and supporting Linux and Windows OS.

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5. DNS

high Demand
Here's how DNS is used in Linux Administrator jobs:
  • Controlled, maintained and supervised DNS server located hosting facility.
  • Monitored system performance, tune-up kernel parameter, adding /removing /administering hosts, users, disks on DNS / NIS domain.
  • Earned certification of proficiency in configuring Linux Mail Servers using Apache, DNS, Send Mail and Dovecot.
  • Performed system-monitoring tune up kernel parameter, adding/removing hosts, users, disks on DNS/NIS domain.
  • Updated DNS configuration based on the new servers that are rolled out.
  • Experienced in performing the administration of the DNS and zone configuration.
  • Managed and upgraded UNIX's server services such as Bind DNS.
  • Configured services for DNS, Apache and other Development platforms.
  • Maintained external DNS for all domains (about 250).
  • Worked on DNS and SSHD, Kick Start installation.
  • Changed DNS entries as per customer's request.
  • Resolved network & DNS related issues.
  • Maintained & administered Bind DNS.
  • Worked on Apache, DNS, SSH, Telnet services.
  • Managed DNS, Send mail.
  • Utilized Amazon Route53 to manage DNS zones and assign public DNS names to elastic load balancers IP's.
  • Supported DNS infrastructure, added new servers & zones to it using BIND & Bluecat appliances.
  • Created split DNS in zimbra DNS server for local name resolution.
  • Maintained 100+ developer workstations Implemented/maintained DNS server infrastructure spanning several continents, mail gateways and company web servers (intra/internet).
  • Connected servers to network Accounts management, files and directories management Installed, configured and managed DNS service for several domains.

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6. Bash

high Demand
Here's how Bash is used in Linux Administrator jobs:
  • Developed bash scripts to automate system/build processing.
  • Utilized BASH shell scripts for automation of most System Administration tasks, including auto-install of Linux and application software/services.
  • Created of bash menu system for backing up and restoring websites for Wayne State University.
  • Experienced in scripting for automation and monitoring using Shell, Bash and KSH.
  • Developed several scripts in bash and KSH to automate the manual process.
  • Created Bash shell scripts to monitor system resources and system maintenance.
  • Automated processes using bash scripts to support systems as needed.
  • Created Bash Shell Scripts to automate routine server maintenance jobs.
  • Advanced composition of bash shell scripts for job automation.
  • Worked with bash shell scripting for system automation.
  • Developed bash shell scripts to automate routine activities.
  • Created bash menu system for administering FreeBSD.
  • Experienced in writing shell/bash scripts to automate the administrative tasks using Cron jobs and managing them in repository using GIT.
  • Worked Shell scripts (bash) which generates reports and automated tasks also worked on Scheduling/Controlling of jobs using Cron.
  • Experienced in writing Shell Scripts in Bash, C-shell and Cron tab in Linux to automate the tasks.
  • Developed Korn and Bash shell scripts to automate routine activities and involved in running some SystemTap scripts.
  • Created shell scripts to find the log files and delete it using bash and korn shells.
  • Created bash scripts for System service checks, Disk monitoring, Application monitoring and cron jobs.
  • Configured restricted shell (rbash) to limit developers from altering essential system files.
  • Created many batch scripts using UNIX bash scripting and scheduled in Cron Tab.

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7. Python

high Demand
Here's how Python is used in Linux Administrator jobs:
  • Developed python scripts to automate routine database maintenance and account provisioning tasks.
  • Tested and implemented applications built using python.
  • Designed and maintained databases using python.
  • Used Debian distribution of Linux called Ubuntu in my personal computer and used python 2.3.
  • Developed numerous Tools in bash and python to automate the build and release processes.
  • Utilized bash, Python and KSH shell scripting to automate daily system administration tasks.
  • Automated many administrative tasks using Shell, Python, XML and PHP.
  • Designed and developed Python programs to configure RAID volumes during production.
  • Developed shell, Python scripts for automation of systems administrative tasks.
  • Developed Python and Shell scripts for regular and periodic jobs.
  • Worked with BASH, PYTHON scripts for automating Tasks.
  • Created Python scripts used to generate reports.
  • Worked on several python packages like NumPy.
  • Used Python fabric for AWS instance provisioning.
  • Created scripts using bash and python.
  • Automated MySQL Container Deployment in docker using Python and monitoring of these containers using Nagios monitoring tool.
  • Created and maintained Python scripts for Automating Build and Deployment Process and Creating Web Based Application by Using Django Framework.
  • Developed Cron jobs and PythonScripts for automating administration tasks like file system management, process management, Server reboots etc.
  • Solved installation errors for Debian 3.1 Sarge version kernel 2.6.22 in Supermicro servers for Apache2 web server/ruby/python.
  • Worked on Python scripts to automate and speed up the remediation, automation process on prod-environement.

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8. OS

high Demand
Here's how OS is used in Linux Administrator jobs:
  • Performed OS Installation/configuration/Upgrades/Patches and migrations.
  • Provided policy and standardization of LINUX workstations to satisfy regulations imposed by various municipalities for which software was developed.
  • Founded in 1996, Wingspan Technology has been providing industry-leading technology solutions to high-profile organizations across multiple industries.
  • Analyzed, reviewed and documented current functionality to determine potential areas of improvement across all JIRA instances.
  • Utilized Retina to identify potential vulnerabilities' and used those findings to implement patching guidance and implementation.
  • Authored Custom and Chef super market Cookbooks and recipes for different scenarios like install/configuration for different products.
  • Conceptualized and instituted measures to improve functionality and streamline operations without hiring additional staff where possible.
  • Received hand written recommendations and commendations within training period and almost every month of employment after.
  • Worked closely with Firewall team to establish connectivity between UPS external servers and trading partner/Client servers.
  • Maintained configuration files for each application for build purpose and installed on different environments.
  • Created Performance Monitoring Best Practice Document and posted in Microsoft SharePoint Website.
  • Proposed and implemented branching strategy suitable for agile development in Subversion.
  • Installed/Configured and Managed Nexus Repository Manager and all the Repositories.
  • Created automated provisioning and update processes using integrated OS Tools.
  • Distributed OS and application packages using Software management tools.
  • Performed post-system-restore checks on system-wide functionality.
  • Closed security holes and vulnerabilities.
  • Integrated all required software and resolved all issues across various technologies and design require enterprise servers and provided back up support.
  • Consulted with support teams to jointly provide the best possible services and solutions through effective requirements gathering, expectations and management.
  • Performed system-monitoring with the help of tools like TOPAS, SAR, VMSTAT, IOSTAT to report systems usage and performance.

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9. Unix

high Demand
Here's how Unix is used in Linux Administrator jobs:
  • Performed UNIX security audits and implementing security audits.
  • Indented and executed scripts and other UNIX utilities; create, tune, and optimize stored procedures and DTS packages.
  • Used UNIX for scripting automating WebSphere administration tasks like creating JDBC resources, deploying applications, creating clusters.
  • Provided 24x7 on call and remote support for UNIX Production Problems and responding to users tickets from Remedy.
  • Imaged servers (Linux/Unix and Window), client computers and remotely manage their applications after deployment.
  • Involved in data load using PL/SQL and SQL Loader calling Unix scripts to download and manipulate files.
  • Ensured proper communication with Application team, Storage team, Backup team and UNIX-L2 team.
  • Assisted Oracle DBA in writing scripts for automating Oracle tasks on the UNIX Server.
  • Developed UNIX shell scripts to run the data loads as batch jobs.
  • Developed UNIX shell scripts to generate performance matrix of the servers.
  • Experienced doing Enterprise UNIX System Administration at the user access level.
  • Performed design and have a development experience in UNIX shell scripting.
  • Participated in installing and configuring of UNIX/Linux based Oracle 10g products.
  • Fixed UNIX shell scripts and PL/SQL programs during batch job support.
  • Worked with Hitachi and Oracle 7000 series from Unix perspective.
  • Provided 24x7 on-call / Remote Support for UNIX Production Problems.
  • Provided 24x7 on call server support for UNIX environment.
  • Provided support and administration service on CIT Linux/Unix platform.
  • Involved actively trouble shooting UNIX operating system server issues.
  • Automated installation processes using UNIX Shell Scripts.

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10. Perl

high Demand
Here's how Perl is used in Linux Administrator jobs:
  • Streamlined warehouse associates day to day operations with modification to RF scanners procedures using MySQL and custom DHCP functionality with Perl.
  • Created Maven, Perl & UNIX scripts for build and Release activities in QA, Staging and Production environments.
  • Configured web based trouble ticket tracking system (RT, Perl, MySQL, Apache).
  • Implemented and Enhanced the Existing Scripts which are developed in BASH, Perl, and SQL.
  • Created users list and ensured all permissions were properly given for different files on the machines.
  • Worked with Security team for required authentication setup and make sure the things are going properly.
  • Implemented and manipulated Shell and Perl scripts for release and build automation per requirement.
  • Configured Response Policy Zones for BIND and wrote Perl automation scripts for same.
  • Used Shell and Perl scripting to deploy artifacts that are built by Ant.
  • Created and maintained the Shell/Perl deployment scripts for Tomcat web application servers.
  • Developed ASP, Perl, SQL tools and scripts for Chicago teams.
  • Worked on UNIX shell scripts and Perl Scripts for automating the deployments.
  • Developed Python, Shell/Perl Scripts and Power shell for automation purpose.
  • Developed scripts for automation and monitoring purpose in PERL and Python.
  • Created Perl scripts to generate disk and file space alerts.
  • Automated routine jobs by developing Perl and Bash shell-scripts.
  • Used Perl scripts to automate the deployment process.
  • Developed Shell/ Perl Scripts for automation purpose.
  • Developed multi-threaded standalone app in Python, Perl, PHP, C++ to view Circuit parameters and performance.
  • Implemented Cron tabs, Bash, Perl, Python &UNIX shell scripts for automatic jobs.

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Jobs With Trending Skills

11. Rhel

high Demand
Here's how Rhel is used in Linux Administrator jobs:
  • Automated processes and installed custom build and application specific RHEL operating systems.
  • Configured RHEL/OEL local repository to patch Linux systems locally.
  • Modified/Migrated/Supported GIC adapters/routers which run in RHEL 5.11 environment.
  • Created users, manage user permissions, maintain User & File System quota on RHEL Bash shell-scripts to automate routine activities.
  • Worked on the installation, configuration, and maintenance and troubleshooting of RHEL 5.x, 6.x, Ubuntu, SUSE servers.
  • Deployed a LAMP server through CLI, and migrated the MySQL database and PHP code from Windows Server 2008 to RHEL.
  • Installed and configured new RHEL server builds and third party applications (layer2, layer3) via ISO and KickStart.
  • Expanded functionality and updated existing VOIP Linux (RHEL, Debian, SUSE, Ubuntu, CentOS) systems.
  • Worked mainly on RHEL4/5/6, OEL 5/6 servers supporting all the OS administration, application and hardware issues.
  • Secured RHEL by working with users, groups, and permissions, used authentication modules and processes.
  • Performed the automation using RHEL 7, Chef Configuration management and managing the infrastructure environment with Puppet.
  • Assisted in upgrading RHEL 5.0 to RHEL 5.5and RHEL 6.0 using live upgrade and manual upgrade.
  • Installed and configured LAMP on RHEL 5 and configured SSL, virtual machines and WebLogic plugins.
  • Advised the customer on best practices with regards to the RHEL release cycles and upgrade paths.
  • Configured the GPFS clusters to keep the high availability applications running on RHEL 5.5 servers.
  • Provisioned the servers (RHEL/Ubuntu) as per the request of the development and operations.
  • Worked on different version on RHEL from bare metal hardware until turning over to Customer.
  • Installed RHEL on bare metal servers and virtual machines using kick-start and hardening the servers.
  • Upgraded RHEL 4.x to 5.x and involved in upgrading SSH running on the servers.
  • Installed, Configured MySQL in different Linux operating systems like RHEL and Oracle Linux.

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12. NFS

high Demand
Here's how NFS is used in Linux Administrator jobs:
  • Solved system and network problems using various diagnostics and protocols including, NFS, TCP/IP, and DNS.
  • Created, administered & managed Logical Volume Manager, VERITAS Volume Manager, and NFS& CIFS.
  • Moved all the home directories of the users from the control work station to NFS share.
  • Configured and administrated DNS, NFS, FTP, remote access, and security management.
  • Utilized NFS management - taking care of user accounts/groups, setting up of NFS environment.
  • Implemented DRBD, NFS for Name Node Replication to avoid single point of failure.
  • Implemented file sharing on network by configuring NFS on system to share essential resources.
  • Configured and administered NFS, NIS, Auto mounts and Network Printers environments.
  • Installed and configured network services such NFS, NIS and DNS Server.
  • Installed and configured NFS shares between servers to share file and directories.
  • Used NFS and FTP services for transferring files to various machines.
  • Configured network services such as DNS/NFS/NIS/NTP for UNIX/Linux Servers.
  • Configured and managed the NFS Server & auto mounter.
  • Worked on NFS configuration & administration.
  • Installed & administered NFS services.
  • Configured NFS and NIS domain.
  • Configured NFS, NIS, NIS+, DNS, Disk Space Management and Send mail of Sun Servers.
  • Worked with full suite infrastructure services DCHP, PXE, DNS, KICKSTART and NFS.
  • Mounted the MAPR cluster via NFS on the Linux VM servers.
  • Used to implement NFS, DNS and NIS under SUN.

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13. Puppet

high Demand
Here's how Puppet is used in Linux Administrator jobs:
  • Deployed and maintained fully automated production environment of several hundred servers using CFengine3 and development / research branch using Puppet.
  • Performed automated user management, installation and configuration of various services and backup-using Puppet.
  • Carried out deployments and builds on various environments using Puppet continuous integration tool
  • Maintained fully automated configurations on development and production environment's using Puppet.
  • Automated various applications, from scripting till production deployment using Puppet.
  • Configured and managed multiple servers using Puppet.
  • Created Puppet manifests maintain customer application data.
  • Worked on creating profiles in Puppet, manifests, modules and pushing them across all the servers.
  • Involved in automation of installation of OE and applications on hundreds of servers using Puppet and Chef.
  • Worked on puppet, scheduling changes, profile creation, pushing the changes across all the servers.
  • Implemented continuous integration and build tools using Ant, Jenkins, chef, Puppet full automation.
  • Used Automation tools Puppet, for automating the deployment, configuration and rapid provisioning of servers.
  • Worked on installing, configuring puppet, creating profiles, pushing new changes to the servers.
  • Used Puppet tool for managing system configurations, creating and push profiles to new servers.
  • Worked on Managing the Private Cloud Environment using Puppet modules (ruby- based).
  • Developed FAI scripts which bootstrap systems from 'bare metal' to functioning Puppet clients.
  • Worked on Designing, Implementation, Configuring, & Managing of Puppet server.
  • Involved in several production Implementations and managed deployment processes via DMS and Puppet.
  • Deployed Puppet master to the server and cached the puppet agent into it.
  • Developed the puppet manifest scripts using DSL for the deployment on different servers/environments.

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14. Web Services

high Demand
Here's how Web Services is used in Linux Administrator jobs:
  • Worked on Amazon Web Services, including EC2, S3, RDS, Elastic Load Balancing.
  • Used Service deploy command for building the Web Services.
  • Configured ELB and added web services.
  • Experienced with Amazon Web Services.
  • Worked on Amazon Web Services.
  • Implemented high availability solutions for mail and web services to assure high uptime Guided technical support personnel Maintained various Linux servers

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15. Database

average Demand
Here's how Database is used in Linux Administrator jobs:
  • Worked with database administrator, Storage Administrator and application team for maintaining /monitoring daily activities.
  • Performed kernel and database configuration optimization such that it limits I/O resource utilization on disks.
  • Implemented, configured and maintained regular database backup and recovery strategy using RMAN utility.
  • Integrated monitoring, auditing, and alert systems for databases with existing monitoring infrastructure.
  • Monitored database maintenance and provides appropriate recommendations, when required.
  • Deployed and secured PostgreSQL databases for development and production environments.
  • Performed Tuning of kernel parameters based on the application/database requirement.
  • Installed and Configured MySQL database server with master-slave replication.
  • Created and maintained database and application recovery related documentation.
  • Tuned Kernel parameters based on application and database requirements.
  • Installed and maintained PostgreSQL database in production environment.
  • Estimated Database Capacity planning through warehouse load projections.
  • Provided authentication to users for Oracle databases.
  • Administered and monitored MySQL database servers.
  • Performed database tuning and performance monitoring.
  • Configured and administered MySQL database.
  • Supported application and database servers.
  • Supported developers and database administrators.
  • Served as sole database administrator for AutoCAD file server running on Linux 5.0 server shared on various client operating systems.
  • Performed installation, configuration, and maintenance of web servers, application servers, and database servers on Linux server.

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16. Centos

average Demand
Here's how Centos is used in Linux Administrator jobs:
  • Installed and configured 10+ instances of RedHat and CentOS Linux 6.x/7.x server.
  • Installed and configured SSH server on Red hat/ CentOS Linux environment.
  • Experienced on Installing, Configuring and Upgrading of Red Hat Linux 5/6, Centos 5/6 operating systems.
  • Designed, built, installed and configured Centos, Red Hat Linux5.x and 6.x HP-UX 11.23.
  • Maintained Centos 5.5 servers that run subversion and log processing applications.
  • Installed and configured SSH server on Redhat/CentOS Linux environments.
  • Implemented migration from Redhat to CentOS environment.
  • Implemented the virtualization using VMware in Linux and installed EXSI hypervisor for VMware for creating for new Centos servers.

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17. File System

average Demand
Here's how File System is used in Linux Administrator jobs:
  • Identified current file system usage and availability.
  • Configured and Administrated users, groups, Creation/Deletion, Monitoring Mail Queues, File systems, network printer & device drivers.
  • Installed, configured and maintained VERITAS Volume Manager, VERITAS File System, VERITAS Clustering and other products within VCS suite.
  • Created volume groups and logical volumes, extended logical volumes for file system using Logical Volume Manager (LVM).
  • Worked with File System Issues on various production VM's, Work on Script servers related alerts in monitoring tool.
  • Worked in ZFS and QFS and fixed the problems occurred, set the quota and reservations for such file systems.
  • Solved tickets related issues, User creation, Accesses, Permissions, file system creations and enable and removing.
  • Encapsulated root file systems, and mirrored the file systems were mirrored to ensure systems had redundant boot disks.
  • Created, mounted and maintained file systems to ensure access to system, applications and user data.
  • Used Network Information Service (NIS) and Network File System (NFS) among the systems.
  • Installed software, applied patches, managed file systems, and monitored performance of Linux Systems.
  • Worked on NFS file systems and shared them to clients and Managed Network Time Protocol Server.
  • Created users, mange user permissions, maintain user & File System quota on RedHat Linux.
  • Created new file systems on Linux Machine, managing and checking data Consistency of file systems.
  • Created file systems as per user requirements and extended logical volumes on Red Hat Enterprise Linux.
  • Worked with installation and configuration of volume management using VERITAS Volume Manager, VxFS file system.
  • Involved in installation & configuration of volume management using VERITAS Volume Manager, VxFS file system.
  • Performed tasks related to managing Disk Storage and file system administration using VERITAS volume manager.
  • Experienced in tasks like managing User Accounts and Groups, managing Disks and File systems.
  • Involved in day to day administrative activities as file system managing, user account management.

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18. SAN

average Demand
Here's how SAN is used in Linux Administrator jobs:
  • Performed day-to-day operational support of the SAN environment.
  • Involved in decommission of the servers which reached end of life and performed SAN migrations using LVM and EMC tools.
  • Led project to migrate all production file shares from NT, W2K, and IRIX servers to new SAN environment.
  • Worked with Linux, SAN, Oracle Database, and Network teams to ensure the smooth relocation of the servers.
  • Saved the company thousands of dollars in penalty fees by discovering and fixing an error in the existing system.
  • Involved in Design, Configuration & Implementation of Unix/Linux migration activities from 3PAR to EMC SAN devices like VMAX.
  • Monitored and trouble-shoot backup for servers and SAN using the tools VERITAS Backup Exec, VERITAS Net Backup.
  • Performed the configuration and administration of DNS, NFS, SAN, NIS and database files.
  • Involved in Relocation and migration of Linux server and SAN storage between data centers and testing.
  • Involved in the implementation and administration of SAN utilizing products of EMC, Cisco and Brocade.
  • Installed and configured HBA's on SAN connected servers, performed firmware and driver management.
  • Implemented and maintained data replication for both SAN and NAS storage to meet requirements.
  • Worked on EMC SAN tech refresh on both host based and array based migration.
  • Performed SAN migration on 75+ database server from DS8300 to Net App disks storage.
  • Integrated Kafka with Flume in sand box Environment using Kafka source and Kafka sink.
  • Created different RAID level configuration and managed SAN storage for application and database server.
  • Administered the UNIX System for clustered HP Servers with fiber attached SAN storage.
  • Worked on Brocade SAN Switch and EMC Symmetric on SAN and NAS respectively.
  • Created a secure 'sandbox' for testing applications on local staging server.
  • Worked on SAN Migration from EMC Clarion to DMX for RedHat Linux.

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19. Solaris

average Demand
Here's how Solaris is used in Linux Administrator jobs:
  • Provided the support to production and various Lab environments on a Solaris2.x, SUN OS, and Network.
  • Authorized Solaris users/groups to access various applications and troubleshot various user problems using management tools.
  • Created Projects on Solaris 10 operating system for installation of applications.
  • Supported and administered Solaris systems and Logical Zones.
  • Handled Solaris to Linux migration and hardware consolidation.
  • Participated in Solaris 10 upgrade/live upgrade.
  • Managed Solaris web and application servers.
  • Implemented Security Hardening per company policy using Solaris 10 features like TCP Wrappers, Sticky bit, RBAC and ACL.
  • Utilized Satellite Server for monitoring and patching, to update the packages in Red Hat Linux and Solaris servers.
  • Installed and configured Solaris 10 servers with zones and containers on SUN M5000&T2000 servers with SUN ZFS.
  • Involved in Installing, Configuring and Upgrading of Red Hat Linux AS 4/5, Solaris 9/10 operating systems.
  • Performed Solaris kernel patching (Parallel) and firmware up gradations on x 86 / SPARC environment.
  • Installed, configured and maintained RedHat 3, 4, Solaris 8,9,10 on Sun Enterprise servers.
  • Performed all necessary system administration duties to support Linux, HP-UNIX, Solaris client server environments.
  • Worked on Solaris Operating Systems upgrade, package installations, updates, patches and software fixes.
  • Worked on creating user accounts, user administration, local and global groups on Solaris platform.
  • Provisioned, allocated, zoned, mapped and masked storage disk space for Solaris & Linux.
  • Applied recommended OS Patches, Kernel upgrades using Solaris Live Upgrade on Production and development servers.
  • Worked on Installation, Configuration & Upgrade of operating systems Solaris, Linux, SUSE.
  • Configured IPMP on Solaris, Bonding on Linux, NTP Time server and Client.

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20. Ldap

average Demand
Here's how Ldap is used in Linux Administrator jobs:
  • Researched implementation of OpenLDAP and Sun Directory Server for centralizing authentication.
  • Provided assistance in LDAP server configuration for user authentication on network.
  • Configured centralized user account management using unbound ID LDAP.
  • Accomplished System/e-mail authentication using LDAP enterprise Database.
  • Installed, configured and maintained LDAP for the client and helped them to migrate from Sun one LDAP server to IBM.
  • Resolved configuration issues and problems related to OS, mounts, LDAP, user ids, Networking, DNS and issues.
  • Assisted in configuring the application server with other components such as database, LDAP directory, Active directory.
  • Created a web page for internal recognition using WordPress on a Linux server with LDAP connection.
  • Worked on the installation of Web Sphere on Linux for the development team and configured LDAP.
  • Involved in daily Linux troubleshooting related to issues with LDAP, Apache and DNS.
  • Worked on User and Group management, Security and access control using LDAP.
  • Installed/configured/managed the LDAP servers which act as Authentication server for all UNIX servers.
  • Configured LDAP server, used it for authentication, and using its database.
  • Managed users and groups on a large scale in NIS and LDAP environments.
  • Experienced on migrating LDAP configuration to host by index at server end.
  • Supported LDAP environment and configured clients to use LDAP authentication.
  • Worked on LDAP client-server model to retrieve and manipulate data.
  • Enabled WebSphere global security using Sun One LDAP Server.
  • Created and implemented LDAP server for central authentication.
  • Experienced in LDAP Installation, Configuration and troubleshooting.

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21. Configuration Management

average Demand
Here's how Configuration Management is used in Linux Administrator jobs:
  • Installed and configured Spacewalk/Satellite Server to serve as Patching, Provisioning and configuration management for all Linux servers.
  • Provided Configuration Management and Build support for different applications, built and deployed to lower and higher environments.
  • Designed and implemented Puppet-based configuration management system for all new Linux machines (physical and virtual).
  • Involved in configuration management, software deployment, Change management, performance monitoring, and application maintenance.
  • Utilized Configuration Management tool Chef & created Chef Cookbooks using recipes to automate system operations.
  • Provided system administration, configuration management, and operational support for various technical environments.
  • Deployed Puppet, PuppetDashboard, and PuppetDB for configuration management to existing infrastructure.
  • Assisted in configuration management and in all software refinements and upgrades.
  • Proposed and lead design and deployment of basic configuration management solution.
  • Configured and supported installations of applications through Puppet Configuration Management.
  • Installed and configured Puppet Server and agents for configuration management.
  • Focused on automation integration monitoring and configuration management.
  • Used Puppet extensively as a configuration management tool.
  • Utilized Chef for deployment orchestration and configuration management.
  • Implemented system configuration management via NIM environment.
  • Migrated configuration management from Chef to Puppet.
  • Used Puppet to automate Configuration management.
  • Managed servers on the Amazon Web Services (AWS) platform instances using Puppet, chef configuration management.
  • Used Puppet as configuration management tools, to automate tasks, deploy critical applications, & manage change.
  • Involved in deploying new manifests and modules to numerous puppet clients for System and Application Configuration Management.

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22. Troubleshoot

average Demand
Here's how Troubleshoot is used in Linux Administrator jobs:
  • Performed systems administrator role in configuring, troubleshooting and maintaining Linux and Unix infrastructure for a mid-sized services company.
  • Administered Linux infrastructure to include operating system, application baselines, user account creation, monitoring, and troubleshooting.
  • Performed extensive testing and troubleshooting of the Asset Management Solution to produce more accurate client software inventory and licensing.
  • Performed problem determination and problem source identification based on 1st level troubleshooting and provided production support.
  • Gained knowledge on troubleshooting and problem solving skills, including application and network-level troubleshooting ability.
  • Coordinated with application team in installation, configuration and troubleshoot issues with Tomcat server.
  • Coordinated in building Linux platforms for different applications, troubleshooting and creating technical documentation.
  • Completed over 20 tickets using Remedy that involved troubleshooting equipment hardware issues.
  • Involved in configuration and troubleshooting problems related to tomcat web server.
  • Involved in debugging and troubleshooting related to production and environment issues.
  • Performed installation of Oracle Patches and troubleshooting and maintaining system security.
  • Performed network and system troubleshooting activities under day to day responsibilities.
  • Monitored server performance and troubleshooting server related problems to SNMP.
  • Performed Server Creation, Configuration & Supported environments by troubleshooting.
  • Provided resolutions to issues by performing system tuning and troubleshooting.
  • Advanced usage of sniffers for network troubleshooting and optimization.
  • Monitored and troubleshooted System Performance and network connectivity issues.
  • Monitored the Linux servers regularly and performed troubleshooting steps.
  • Performed troubleshooting, resolution, and problem analysis.
  • Resolved user tickets by troubleshooting Linux systems.

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23. Tomcat

average Demand
Here's how Tomcat is used in Linux Administrator jobs:
  • Developed puppet modules Tomcat, JBOSS, WAS, SOLR, Zookeeper and Beaker Ruby test scripts to test the modules.
  • Created multiple instances of Tomcat at different ports on the same and different machines based on requirement.
  • Monitored health of Linux boxes where Tomcat instances are running in both production and testing environment.
  • Monitored the logs from Apache, Tomcat and other services that running in a Linux Box.
  • Isolated an application that is misbehaving during the testing phase into a separate tomcat instance.
  • Used Chef for managing server application server such as Apache, MySQL, Tomcat.
  • Configured and maintained the high availability for the multiple Tomcat instances through Session Replication.
  • Supported various web servers (Apache and Tomcat) running on Linux Operating systems.
  • Installed and configured Apache, Tomcat, and Web Logic and Web Sphere applications.
  • Worked in trouble shooting, Configuration and deploying Enterprise Application in Apache Tomcat.
  • Worked on Apache Tomcat Server for installing and locally hosting web pages.
  • Installed and configured Apache/Tomcat web server for both UNIX and Linux platforms.
  • Involved in Installation, Configuration and maintenance of the Tomcat Servers.
  • Installed and upgraded the following Jboss-5.5-20 containers, tomcat-5.5.20 and apache-2.2.21.
  • Installed, configured and maintained Apache/Tomcat Web Server, JBOSS.
  • Configured and installed Apache, JBOSS, Tomcat, WebSphere.
  • Installed and configured the Tomcat server on a Windows server.
  • Configured MySQL, Apache and Tomcat on Linux servers.
  • Conducted performance testing of Apache and Tomcat management services.
  • Configured Apache web server with Tomcat in load balancing.

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24. Veritas

average Demand
Here's how Veritas is used in Linux Administrator jobs:
  • Installed and configured VERITAS Volume Manager which included converting disks to VM disks, creation of disk groups, volume groups.
  • Used VERITAS and Native volume managers to configure storage volumes and used LVM based migrations to migrate between storage arrays.
  • Used VERITAS Cluster Server (VCS) and VERITAS Foundation Suite to provide high availability and storage management.
  • Collaborated with backup team to maintain and recover enterprise wide backup servers using VERITAS Net Backup.
  • Implemented changes like Patching, OS upgrade, VERITAS upgrade, modifying VCS and Zones configuration.
  • Managed VERITAS (VCS) and (CFS) clusters with vast range of critical applications.
  • Configured RAID Levels on OS drives with Sun Solstice Disk suite and VERITAS Volume Manager.
  • Redefined volume groups, migrating, mirroring logical volume using VERITAS VOLUME MANAGER, SVM.
  • Worked on Volume management, Disk management, software RAID solutions using VERITAS volume manager.
  • Experienced working on Linux clustering using HP - MC Service guard cluster /SUN /VERITAS cluster.
  • Configured and maintain the volume groups, logical volumes using LVM, VERITAS Volume.
  • Installed and Configured VERITAS Volume Manager for Development, Test and Production environments.
  • Performed Installation, configuration and Administration of VERITAS Volume Manager (VCS).
  • Worked with VERITAS Volume Manager, VERITAS Cluster Server in all environments.
  • Installed and configured access control for VERITAS Net backup servers and clients.
  • Implemented and monitored clustering on SPARC servers using VERITAS Clustering.
  • Worked extensively on VERITAS Operations Manager(VOM).
  • Migrated VERITAS Disk Groups using Deport and Import techniques.
  • Worked on VERITAS Cluster Server and VERITAS Volume Manager.
  • Configured servers for high availability through Dynamic Multi-Pathing using Veritas DMP.

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25. Nagios

average Demand
Here's how Nagios is used in Linux Administrator jobs:
  • Worked on cleaning up our NAGIOS with many false alerts related to routers and servers that were decommissioned.
  • Used NAGIOS monitor tool to monitor CPU, memory and disk space loads.
  • Installed and Configured the Monitoring services on Linux with NAGIOS.
  • Reduced downtime of engineering resources by installing and configuring Nagios to monitor public and private services on critical engineering systems.
  • Created Nagios instance to monitor production environment continuously and will alert when any problem occurs.
  • Implemented nagios and integrated with puppet for automatic monitoring of servers known to puppet
  • Monitored and maintained system integrity using various monitoring tools such as Nagios.
  • Created and implemented custom Nagios monitoring and managed with Puppet.
  • Researched and implemented Nagios and Cacti for network monitoring.
  • Monitored and tested alerts in Nagios monitoring software.
  • Configured Nagios servers, maintained and updating timely.
  • Created automatic discovery software with Nagios integration.
  • Installed and Configured System Monitoring Tools Nagios.
  • Redesigned and redeployed Nagios implementation.
  • Performed network monitoring using Nagios.
  • Installed the Open Monitoring Distribution (OMD) tool for daily system monitoring and issues resolution using Nagios.
  • Managed a Nagios installation that trended metrics and notified for issues from 3000+ services spread across 300+ hosts.
  • Automated the population of Nagios from a list of websites and servers kept in various locations.
  • Created tickets to track, diagnose and resolve new and ongoing incidents using Nagios ticketing system.
  • Performed Patching, software installation, resolved alerts sent by the nagios monitoring server.

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26. AWS

average Demand
Here's how AWS is used in Linux Administrator jobs:
  • Configured and maintained automated environment using Chef Recipes and cookbooks to manage system configuration with in AWS environment.
  • Migrated the On-premise WebLogic applications to AWS WebLogic applications by writing the required Chef-artifacts.
  • Worked on AWS server provisioning and standardization using Puppet Manifests.
  • Configured storage buckets to store static content to serve to Content Delivery Network, Which is AWS CloudFront.
  • Leveraged Jenkins AWS Code Deploy plugin to deploy the applications into AWS machines and used AWS cloud formation.
  • Migrated servers from on Premises to AWS cloud as well as created EC2 instances in AWS cloud platform.
  • Migrated production infrastructure into an Amazon Web Services VPC utilizing AWS Cloud formation, Code Deploy and OpsWorks.
  • Involved in data analysis projects using Elastic Map Reduce on the Amazon Web Services (AWS) cloud.
  • Replaced existing manual deployment and management processes with Chef and AWS OpsWorks stacks across 10 product platforms.
  • Created AWS VPC network for Installed Instances and configured the Security Groups and Elastic IP's accordingly.
  • Created Chef Environment, Manage configuration of web app and deploy to AWS cloud server through Chef.
  • Deployed Netflix Eureka for the purpose of locating the fail-over services inside the AWS cloud.
  • Managed policies for S3 buckets, Glacier and utilized for storage and backup on AWS.
  • Implemented and maintained the monitoring and alerting of production, corporate servers/storage using AWS CloudWatch.
  • Worked with Amazon Cloud (AWS console), Building Amazon machine images and configuring.
  • Supported 50+ AWS Cloud instance's and familiar with Amazon Cloud command line management.
  • Created multiple groups and set permission polices for various user groups in AWS.
  • Worked in AWS environment for development and deployment of Custom HADOOP Applications.
  • Migrated applications to AWS cloud with the use of VMDK Import tools.
  • Created support case with AWS for any critical issues and follow-up.

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27. Mysql

average Demand
Here's how Mysql is used in Linux Administrator jobs:
  • Installed and configured Linux development servers supporting a Lab Wiki, MySQL, Apache, Subversion, and Eclipse applications.
  • Experienced in using advanced PostgreSQL/MYSQL features like table partitioning and different types of oracle indexing.
  • Installed and configured Apache, MySQL and PHP products on the Linux servers.
  • Experienced in the installation, patching and upgrading of MySQL Applications on Linux.
  • Installed, configured and maintained Apache, MySQL, PHP based web servers.
  • Managed Apache and MySQL High Availability and Load Balanced clusters.
  • Provided assistance to customers with their MySQL configurations and data.
  • Configured MYSQL Master Slave Replication.
  • Configured 4 Node oracle and 6 Node MySQL, Red hat Cluster on Red Hat EL 5.
  • Configured and implemented IDS System (Snort, MySQL, ACID, Apache, WebMin).
  • Worked with MySQL, MS SQL Server, and their feature set.
  • Provided 24*7 on-call support on rotation basis Tuned servers for maximum efficiency for Oracle and MySQL Data Bases.
  • Managed a total of five Apache servers, three MySQL servers and two Sendmail servers.
  • Designed and implemented an Apache Web cluster and Mysql cluster at off site ISP.
  • Created a MySQL replicated cluster with IP address failover for high-availability SQL.
  • Configured Apache & MySQL (LAMP) webservers for company websites.
  • Managed MySQL, Apache, Sendmail, and XSTOP applications.
  • Configured and deployed hive metastore using MySQL and thrift server.
  • Performed application installation and management on Linux servers for applications like Weblogic with Apache Modules, MYSql.
  • Installed and Configure customized versions of MySQL, Apache, Sendmail & Php on RedHat Enterprise server.

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28. Tcp/Ip

average Demand
Here's how Tcp/Ip is used in Linux Administrator jobs:
  • Developed and maintained processes and systems for software management and distribution on TCP/IP-connected distributed systems.
  • Assisted in resolving hardware issues and network connectivity issues related to TCP/IP.
  • Secured the internet services with TCP/IP wrappers.
  • Experienced with inter networking using TCP/IP and resolving network connectivity using tools like dig, nslookup, ping.
  • Supervised TCP/IP and Sendmail to stop spams and other hacking activities on server.
  • Created and maintained file system, executed security and printer configuration and realized TCP/IP addressing.

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29. Dhcp

average Demand
Here's how Dhcp is used in Linux Administrator jobs:
  • Diagnosed and resolved problems associated with DNS, DHCP, NFS, and Apache and Managing upgrade of multiple Linux servers.
  • Analyzed network traffic using network protocols TCP/IP, UDP, ARP/RARP, DHCP and NFS using open source software.
  • Installed, configured and managed Active directory, DHCP, DNS, Windows 2008 and 2008 R2 servers.
  • Experienced in implementing and configuring network services such as HTTP, DHCP, and TFTP.
  • Supported, troubleshoot and Configured TCP/IP, WINS, DNS, DHCP, Active Directory.
  • Configured and maintained Windows 2000 Server that runs DNS, DHCP and active directory services.
  • Managed TCP/IP packets and DHCP servers and resolving TCP/IP network access problems for the clients.
  • Installed, configured and maintained mission critical systems including DNS, DHCP, TCP/IP.
  • Assisted in installation and Configuration of SSH, TELNET, DHCP, DNS.
  • Diagnosed and resolved problems associated with DNS, DHCP and network connectivity.
  • Administered DHCP and NFS services in Linux.
  • Modified DNS, DHCP configurations.
  • Worked on configuring NIS, NFS, DNS, DHCP, FTP, SFTP, Telnet and RAID levels.
  • Installed, configured, maintained and administered the network servers DNS, DHCP, NIS, NFS, SENDMAIL.
  • Configured DNS, DHCP, NIS, NFS in RedHat Enterprise Linux 5.x/6.
  • Assigned the Server Build Tasks, DHCP Management, Kickstart Modifications and OS image Management to each team member.
  • Implemented SSH SSL Setup and maintained DNS Primary, Secondary, Cache-only servers, DHCP servers and DNS clients.
  • Installed and configured windows servers running DHCP, DNS, Exchange & Active Directories Configuration management with puppet.
  • Managed various infrastructure services, including: Active Directory, DNS, DHCP, NFS, and VMware.
  • Configured and maintained DNS, NFS, DHCP and automounter.

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30. LVM

low Demand
Here's how LVM is used in Linux Administrator jobs:
  • Configured LVM (Logical Volume Manager) to manage volume group, logical and physical partitions and importing new physical volumes.
  • Used LVM extensively in Creating/Modifying/Deleting the Volume groups and Adding/Removing the physical disks and Mirroring volume groups and logical volumes.
  • Added and expanded new storage to existing or new system using LVM, VxVM, VxFS and SVM.
  • Configured Logical Volume Manager (LVM) by creating physical volume, volume groups and logical volume.
  • Created Physical Volumes, Volume groups and Logical Volumes, implemented disk mirroring on LVM.
  • Used LVM for dynamically extending and reducing partition sizes as and when the need arose.
  • Configured volume groups and logical volumes using Logical Volume Manager (LVM) commands.
  • Performed Disk management using LVM (Logical Volume Manager).
  • Managed and configured LVM (Logical Volume Manager).
  • Worked on LVM and RAID in RedHat Linux.
  • Performed volume management using LVM on Linux.
  • Configured and managed resources using LVM.
  • Installed and configured volume management via RAID hardware/software and logical volume management (LVM) for data backup and storage.
  • Worked with various types of filesystems, and volume management solutions: ZFS, LVM, VxVM, and SVM.
  • Worked on activity like power path up gradation, multipath to power path migration, storage migration using LVM.
  • Maintained LVM, VxVM Taking backup using tar and recovering during the data loss.
  • Created and deployed LVM, resizing the logical volume and volume group.
  • Managed Disk using LVM, resized disk space.
  • Created disk groups, volumes and filesystems and configured RAIDs using LVM in RedHat Enterprise Linux servers.
  • Worked on LVM management and monitoring Acquired and Initialized LUNs in clustered and stand-alone environments.

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31. Disk

low Demand
Here's how Disk is used in Linux Administrator jobs:
  • Worked on volume management, disk management using logical volume manager.
  • Monitored System Performance of Virtual memory, System events, Swapping, Disk utilization, CPU utilization by running scripts.
  • Configured Elastic Block store as Volumes for each EC2 instance to increase available disk space on each server instance.
  • Installed NIM, set up NIM servers, clients, defined the resources, alternate disk migration with NIM.
  • Worked on A1000 StorEdge storage disk arrays and configured in RAID 0, 1 and 5 levels.
  • Worked on EMC disk storage to allocate disk space, configuring LUNS on server side.
  • Handled TASK activities after Motherboard replacement, before and after hard disk, memory replacement.
  • Shared folders and assigned permissions to those shares, assigning and managing disk quotas.
  • Created disk partitions and files system and extended storage space using Logical Volumes manager.
  • Performed routine management of WebSphere environment, monitoring Disk space, CPU utilization.
  • Managed CPU usage, shared memory, disk space usage and controlling processes.
  • Mirrored root disks on all the servers by using Linux volume manager.
  • Replaced Hot-Swappable Components like Power Supply, FAN, and Internal Disk.
  • Archived and backup files and directories to better utilized available disk space.
  • Used Raid controllers for hard disk mirroring and striping with parity.
  • Red Hat Linux backup/restore with tar including disk partitioning and formatting.
  • Implemented DES (Disk Encryption System) in all Mac books.
  • Implemented RAID techniques and created Disk groups and volumes.
  • Managed Swap Space, Disk utilization and CPU utilization.
  • Recovered root / mirror disk from Disk Failures.

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32. Setup

low Demand
Here's how Setup is used in Linux Administrator jobs:
  • Provided support for server and work station upgrades, backup and disaster recovery monitoring user account setup and security administration.
  • Performed setup of Clustered environment with Web Logic Application Server.
  • Installed and configured VERITAS Cluster Server 4.x; manually setup application related policies / configurations as requested.
  • Completed all projects on time and accurately from server setups and deployments to new user setups.
  • Maintained servers which were already installed and setup custom builds and applications on their networks.
  • Created and Managed Users / Group accounts and setup a user's work environment.
  • Provided support for branch offices using PC-Anywhere & Manage Setup network printers / copiers.
  • Migrated HACMP 4.3.1/4.5 to HACMP 5.1 using Node-by-Node migration without changing the cluster setup.
  • Installed NIS, DNS, and mail setup environment as per the client requirement.
  • Worked on Corporate Send mail and DNS setup for multiple domain scenarios.
  • Involved in HP-UX system setup, administration and upgrade.
  • Configured the routers and setup firewall rules.
  • Created shares and setup appropriate permissions.
  • Configured SSL setup for Apache.
  • Documented all setup procedures and System Related Policies (SOP's) Provided technical support to production and development environments.
  • Installed and configured servers for SAS installation, Kernel and Network parameters setup, ulimit settings for SAS installation.
  • Configured and setup Secure Sockets Layers (SSL) for data encryption and client authentication using ikeyman.
  • Accomplished a project of setup Oracle VM for SPARC LDOMS Server Virtualization using logic domains.
  • Configured and set up NFS filesystems, SMB Server/Client setup, Fixed NFS stale handles.
  • Worked on User administration setup, maintaining account, monitor system performance using Nagios.

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33. Kickstart

low Demand
Here's how Kickstart is used in Linux Administrator jobs:
  • Involved in building physical servers using KICKSTART PXE Boot and JUMPSTART.
  • Utilized kickstart and ignite for systems builds/recovery.
  • Implemented Kickstart in RedHat environments.
  • Used Kickstart for network installation of OS, cloning, and full automation using FTP/SFTP.
  • Configured kickstart server and updating and applying patches to the servers using proxy server.
  • Created Kickstart scripts as per the user requirement and performed few test deployments.
  • Automated the installs using Kickstart and building post install scripts using Shell scripting.
  • Used Kickstart for automatic Linux installs, software distribution, and production deployment.
  • Worked on script conversion from kickstart to puppet manifest for a while.
  • Automated system provisioning with spacewalk (kickstart) to efficiently build out servers
  • Installed operating system on multiple machines using Kickstart.
  • Configured hands-free installation using Kickstart and PXE.
  • Performed automated installations of Operating Systems using kickstart for Linux Remote monitoring and management of server hardware.
  • Performed custom kickstart installations to prepare servers for migration to new datacenter in corporate office.
  • Experienced using Kickstart and modified Kickstart based on server profiles and hardware specifications.
  • Performed server installation using Kickstart, Network, and DVD on physical servers, VMware and KVM.
  • Created Opsware implementation records to populate server specs to kickstart file for PXE boot process.
  • Used automated installation technologies like Jumpstart and Kickstart for provisioning of the servers.
  • Involved in building Linux over network using Kickstarting for Redhat EL 5.x.
  • Implemented remote installation on servers using RedHat Linux Kickstart and jumpstart/JET Servers.

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34. Java

low Demand
Here's how Java is used in Linux Administrator jobs:
  • Deployed Java/J2EE applications to Application servers in an Agile continuous integration environment and automated the whole process.
  • Experienced with Java application servers such as Tomcat and WebSphere Application Server Community Edition.
  • Participated in Java/J2EE and also have the ability to develop XML, HTML, Shell Scripts and Perl Scripts.
  • Developed my skills in useful programming languages such as: C, PHP, Python, Perl, and Java
  • Automated weekly releases with Maven scripting for Compiling Java Code, Debugging and Placing Builds into GIT.
  • Used HTML, CSS and JavaScript to create and maintain TIES and customer web pages.
  • Installed, managed and implemented various java (JDK7) applications on multiple UNIX platforms.
  • Configured, and maintained Apache web server from open source with Java and Tomcat.
  • Developed the Enterprise Java Beans (Stateless Session beans) to handle different transactions.
  • Executed the Maven builds locally to troubleshoot Java code issue and merging related issues.
  • Installed and configured Oracle, MySQL & Java based Applications on Linux servers.
  • Worked on Java based automated software tool Apache Ant for build Processes.
  • Developed document flow reports using Java, Python and Hibernate ORM.
  • Managed builds and wrote Build scripts for Java application.
  • Supported for Java based web applications.
  • Worked with CentOS 5 operating system as well as JavaScript, HTML, CSS, MySQL, and PHP.
  • Worked on troubleshootingof Java and Java related applications and configurations on Linux and UNIX platforms.
  • Provided ecommerce application support for Java/J2EE based ATG Dynamo and WebSphere environments.
  • Deployed Java applications into web application servers like weblogic.
  • Installed, configured and troubleshoot Sun Java System Web Server 6.x, 7 and Apache 2.2 x web server on Solaris.

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35. YUM

low Demand
Here's how YUM is used in Linux Administrator jobs:
  • Experienced in configuring YUM repositories for Package installations.
  • Administered Yum and subversion repositories.
  • Created yum repositories and configured them on the servers and Installed packages with yum and rpm for WebSphere application servers.
  • Performed package installations, maintenance, periodic updates and patch management on Linux using rpm, yum and Satellite server.
  • Created local repositories on Linux servers Performed server updates, patching, upgrade and package installations using RPM and YUM.
  • Worked with RedHat Linux tools like RPM and YUM to install packages and patches for RedHat Linux.
  • Managed and installed software packages using YUM and RPM and created repository files for offline servers.
  • Applied patches and packages on Linux servers using RPM Red Hat Package Manager and YUM tools.
  • Worked on upgrades without downtime using yum and as well as setting servers locally for upgrades.
  • Planned and executed RPM and YUM packages and update installations necessary for optimal system performance.
  • Installed and updated required packages using the central repository (YUM) and RPM.
  • Experienced in Red Hat Linux package administration using YUM configuration like assigning IP addresses.
  • Applied patches regularly to meet audit requirements using Big Fix, YUM and RPM.
  • Removed, Installed, Upgraded, and queried software packages using RPM and YUM.
  • Packaged management and Added patches on Red-hat Linux servers using RPM's &YUM.
  • Installed software packages on servers using tools like yum, apt-get and rpm.
  • Worked on YUM configuration to patch the servers to the latest OS/Kernel version.
  • Installed and configured secure FTP daemon to support a FTP-based Yum repository.
  • Installed and updated packages using YUM and RPM on Linux servers.
  • Established YUM repositories used in conjunction with the kick start server.

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36. Http

low Demand
Here's how Http is used in Linux Administrator jobs:
  • Installed SSL certificates, key stores for WebLogic clustered environment and HTTP plug-in for Apache, I Planet and IIS.
  • Configured Apache HTTP web servers for application deployment and maintenance.
  • Implemented and maintained Apache web server with HTTPS.
  • Configured FTP, SFTP, HTTP/HTTPS and AS2 for exchange of files with trading partners.
  • Configured (HTTPS) on Apache, IIS 6 & 7, Web Logic.
  • Worked on Linux server configuring DNS, SSH, NFS, HTTP.
  • Implemented NFS, NAS, HTTP servers on Linux servers.
  • Migrated Apache HTTPD from 2.4.6 to Apache HTTPD 2.4.10.
  • Installed and configured IBM Http Server, installed WebSphere plug-in, involved in generating plug-in file and solving plug-in related issues.
  • Configured Apache HTTPD 2.2 servers with back-end JBoss 6/7 JVM's and maintained in Pre-Prod and Production environments.
  • Involved in installation/configuration of multiple instances of IBM HTTP server and configured F5 load balancers on Linux.
  • Worked on hosting and securing web pages using Apache (http) web server and Ssh.
  • Installed WebSphere application server and IBM http server (IHS) through IBM installation manager.
  • Deployed file sharing services like ftp and http.
  • Installed, configured and maintained the Apache HTTPD Software load balancer using mod_jk tomcat connector.
  • Worked with apache, httpd and other webservers and its communications.

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37. Active Directory

low Demand
Here's how Active Directory is used in Linux Administrator jobs:
  • Enhanced Active Directory data management experience to perform Active Directory object management tasks.
  • Collaborated with other advisory committees in making recommendations concerning Active Directory operations management.
  • Validated configuration standards for Active Directory domain controllers for directory security.
  • Administered Active directory organizational units, user accounts and groups.
  • Integrated Active Directory authentication for Linux servers and Macintosh workstations.
  • Maintained Active Directory infrastructure creating new users and assigning rights set up a timed scheduled tape backup of network every night.
  • Developed Directory services for Windows DNS using Active Directory, also used to provide Security access to users via Microsoft Servers.
  • Supported and maintained user account information for over 4,000 employees including rights, security and systems groups within Active Directory network.
  • Installed, configured, and maintained three Microsoft servers 2003 and 2008 R2 running on LAN with active directory.
  • Worked with active directory and exchange set up in the environment with both 2000 and 2003.
  • Managed Windows network (users, computers and network devices) with Active directory.
  • Administered all user accounts in active directory and maintaining Apache web server and DNS.
  • Administered the Active Directory on Windows server to manage the users in the environment.
  • Managed the active directory, and provided the specific permission for each user.
  • Managed Network Information Service (NIS) user and Active Directory accounts.
  • Created and maintained user accounts through Active Directory on Windows Servers.
  • Experienced in creation and maintenance of user accounts and active directory.
  • Added users on the Active directory on Windows 2003 Servers.
  • Used SAML and Active Directory based authentication in implemented systems.
  • Handled exchange 2000 servers along with active directory.

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38. Virtual Machines

low Demand
Here's how Virtual Machines is used in Linux Administrator jobs:
  • Installed Linux operating system on the virtual machines to make a Linux environment for creating the file sharing servers.
  • Assisted to configure and deploy all virtual machines and installed and provided backup to all configuration procedures.
  • Created, installed, and configured Virtual Machines for user interaction and software support teams.
  • Installed Linux operating system on virtual machines in order to configure the mail server.
  • Designed, Deployed, and administrated an infrastructure to deploy KVM virtual machines.
  • Configured and managed virtual machines and installed VM Tools into VM's.
  • Installed Linux OS, and configured required network on the virtual machines.
  • Created virtual machines and configured them to use resources efficiently.
  • Deployed Virtual Machines and use Clones, Snapshots, templates.
  • Managed around 5000+ physical servers and around 20000 Virtual machines.
  • Worked with clones and snapshots of Virtual Machines.
  • Created and cloned Linux Virtual Machines.
  • Created virtual machines via Hyper-V Manager.
  • Created New Virtual Machines, cloning VM, DRS, and Snapshots.
  • Configured virtual machines and network for different applications in vmware environment.
  • Provisioned and maintained over 50 virtual machines Developed billing & account management system using LAMP (Linux Apache MySQL PHP).
  • Worked closely with cloud teams to build and deploy virtual machines using Open stack and VMware.
  • Worked on IO configurations for virtual machines ESX hosts, enabling and disabling VMDirect path.
  • Created, cloned Linux Virtual Machines, templates using VMware Virtual Client 3.5.
  • Provided support for Linux virtual machines in z/VM LPARs running on z/System hardware.

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39. Kernel

low Demand
Here's how Kernel is used in Linux Administrator jobs:
  • Recommended Sun OS kernel/OBP patch upgrade for production/development servers.
  • Worked on Kernel re-configuration & parameter tuning.
  • Compiled kernel, Device drivers, performance tuning for OS and application, customization as per requirements, security patching.
  • Added new device driver, rebuilt kernel and used the new kernel to boot the system.
  • Performed the Linux kernel upgrades on the server as suggested by the Linux engineering team.
  • Performed system Firmware and ILO firmware updates Linux kernel, memory upgrades and swaps area.
  • Monitored System performance and do kernel tuning to enhance the system Performance.
  • Performed Kernel and memory upgrades on Linux servers in Virtual environment.
  • Performed Kernel update patching and tuning on a regular basis.
  • Performed Red Hat Linux Kernel Tuning for TCP stack.
  • Used to perform Red Hat Linux Kernel Tuning.
  • Worked on Kernel tuning and Kernel patching.
  • Tuned up kernel parameters for better performance.
  • Performed Kernel Upgrades and Kernel Patching.
  • Performed Kernel tuning and Kernel patching.
  • Worked on UNIX performance monitoring and kernel tuning and Load balancing (F5 Load Balancer) to ensure stable performance.
  • Installed SOS package and configured the SOSreport to collect information about kernel, drivers on server.
  • Deployed latest patches performed Red Hat Linux, and Kernel Tuning.
  • Configured RAID Level 1, reconfiguring Kernel & applying patches.
  • Installed Fedora core 2 having kernel 2.6.

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40. NIS

low Demand
Here's how NIS is used in Linux Administrator jobs:
  • Performed regular day-to-day system administrative tasks including User Management, Backup, Network Management, and Software Management including Documentation etc.
  • Administered Jenkins, Proposed and implemented branching strategy suitable for agile/scrum development in a Fast Paced Engineering Environment.
  • Experienced in administrative skills including monitoring, capacity planning and disaster recovery and performance improvement skills.
  • Installed, administer prepare and maintain code for various applications and configured Jenkins Continuous integration tool.
  • Performed system administration level duties such as regularly monitoring user level activity, checking system logs.
  • Worked on account, user and group administration, Permissions policy management and quota implementation.
  • Provided system administration services like backup, monitoring, installation, configuration and user permissions.
  • Performed user administration: add/delete/modify users & user groups and respective privileges and resource.
  • Provided fellow system administrators and support representatives with technical support and guidance.
  • Performed processes administration and management like monitoring, start/stop/kill various processes/sub processes.
  • Performed Linux system administration of Computing-as-a-Service (CaaS) supporting infrastructure components.
  • Performed administration and monitored job processes using associated commands and securing host.
  • Documented, developed and implemented daily server administration standards and procedures.
  • Administered change management related to server upgrades and software installation.
  • Documented and enabled HMC remote administration for trusted networks.
  • Supported system backup services and administered disaster recovery infrastructure.
  • Performed Continuous Integration, Building and administrating using Jenkins.
  • Installed, configured and administered log analyzer tool CloudWatch.
  • Documented Linux Administration procedures using Wiki software and LaTeX.
  • Helped to administer SugarCRM customer relations management software.

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41. Ubuntu

low Demand
Here's how Ubuntu is used in Linux Administrator jobs:
  • Supported Ubuntu trading infrastructure and application/desk support.
  • Maintained Linux workstations and installed and maintained Ubuntu Linux in the computer science department computer lab.
  • Worked as a Systems Administrator on Red Hat, CentOS and Ubuntu.
  • Migrated production environments from CentOS to Ubuntu.
  • Designed, Implemented and maintained Windows, Centos 6.x and Ubuntu systems in a mixed environment.
  • Installed and configuredDrupal and WordPress on both Amazon Linux and Ubuntu EC2 instances.
  • Created a VMWare Ubuntu cluster for mass web hosting of LAMP applications.
  • Upgraded Redhat Linux and Ubuntu on HP/Dell Servers and workstations.
  • Supported Ubuntu and CentOS running Apache, JBoss and MySQL.
  • Supported OS versions included CentOS, Ubuntu, Geentoo, Fedora and windows based cloud VMs.
  • Managed services supporting clients running Redhat/Centos 5/6/7, SuSe, Ubuntu Linux.
  • Performed day to day administrative tasks on the Moodle Servers running Ubuntu Deployed development and production Linux servers using Vmware.
  • Worked on installing and configuring Sun Solaris using jumpstart, Ubuntu, Red Hat Enterprise Linux using Kickstart.

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42. Vmware

low Demand
Here's how Vmware is used in Linux Administrator jobs:
  • Performed physical to virtual (P2V) and (V2V) migrations for approximately 50 physical servers utilizing VMware Converter.
  • Installed and configured SRM 5.0 and created Protection Groups and Recovery Plans using Site Recovery Manager 5.0 usingVMware best practices.
  • Customized layer 2 and layer 3 networking between VMware, Networking components and storage high availability and maximum performance.
  • Worked with the VMWARE team and ensured all the VMs are working without any performance issues.
  • Worked on Cloud Foundry which is developed by VMware which also supports full life cycle.
  • Worked on Cisco USC, virtual infra on VMware, Storage migration and installations.
  • Worked on applications and end users using VMware Horizon (with view).
  • Worked on Upgrades, Patching, Configuration and Performance Tuning and VMware environments.
  • Helped to design and deploy a CloudStack and VMWare based private cloud.
  • Implemented VMware view 4.6 to distribute client desktops to user accounts.
  • Installed VMware 3.5 and managing set of ESX server through VCS.
  • Used VMware for testing various applications on different operating systems.
  • Worked with installation and configuration of VMware ESX 3.x servers.
  • Installed and configured VMWare ESX server on HP Blade servers.
  • Worked within a VMware environment and utilized Net backup.
  • Configured Virtual servers by using VMware and Hyper-V technology.
  • Involved in re-design/upgrade of Vmware clusters for SAP applications.
  • Installed and configured VMware SRM and supporting current environment.
  • Migrated data from one Vmware farm to another.
  • Implemented V2V and P2V conversion using VMware Converter.

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43. Samba

low Demand
Here's how Samba is used in Linux Administrator jobs:
  • Installed/Configured/Maintained/Administrated the network servers DNS, NFS and application servers Apache and Samba server.
  • Installed and configured SAMBA, Apache / Tomcat web server and VNC (Virtual Network Computing) server/client.
  • Experienced in Implementing file sharing on the network by configuring NFS/SAMBA on the system to share essential resources.
  • Installed, configured the several services like NFS or FTP or Samba Servers depending on the requirement.
  • Worked on configuring, maintaining, and monitoring the File Servers like NFS, FTP and Samba.
  • Helped other users in mounting the Samba Shares, allowing them to use the shared files.
  • Administered and configured DNS, LDAP, NFS, NIS and Samba in Red Hat Linux.
  • Configured and Administered the NFS, NIS, DNS, Samba and Mail Servers.
  • Configured NIS, NFS and DNS environment & handled issues regarding Samba Servers.
  • Installed and configured IIS, Apache, and Samba on Linux based systems.
  • Experienced in installing and managing NFS, FTP and Samba for file sharing.
  • Installed and configured of Netscape and Apache web server and Samba Server.
  • Configured SAMBA between the Linux and windows servers to provide directory sharing.
  • Created Samba Shares depending on the modules discovered by the users.
  • Configured and managed FTP, NFS and SAMBA Servers.
  • Introduced Linux servers to the domain using SAMBA WINBIND.
  • Maintained VPN, Squid, and Samba Servers.
  • Integrated Linux to active directory using Samba-WIN BIND.
  • Configured Samba file server to windows network.
  • Implemented, Configured and supported of SENDMAIL-RELAY Server, Apache, FTP, NIS, DNS, Samba and VNC Server.

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44. SSH

low Demand
Here's how SSH is used in Linux Administrator jobs:
  • Developed utility for automatic creation and propagation of OpenSSH asynchronous keys across Linux cluster nodes for oracle cluster software installations.
  • Configured Open-ssh server for secure remote administration.
  • Secured servers by using password less SSH authentication on servers via SSH keys.
  • Worked on system monitoring and remote connection management using telnet and SSH connections.
  • Shared FTP and SSH sessions according to the requirement of the users.
  • Worked with Chef Plugins like ssh, search to administer Chef nodes/clients.
  • Used reverse SSH tunneling to do administration work for remote locations.
  • Installed and configured OpenSSH and TCP Wrappers.
  • Installed and worked with Secure Shell (SSH) & TCP-Wrappers.
  • Used various networking tools such as SSH, Telnet, rlogin, ftp and ping for daily operational activities.
  • Implemented SSH for secure transfers and implementation of PKI between servers to enable Password less logins between servers.
  • Acquired root SSH access to the entire server network involving a three week intensive course and subsequent test.
  • Used putty and ssh certificate tools to login and use secure access points.
  • Managed sudo rules and pushed ssh keys (public and private).
  • Installed and configureed SSH to enable secure access to the servers.
  • Created Password less login for several servers using SSH Keys.
  • Installed and upgraded different versions of ssh/ssl.
  • Implemented SUDO, SSH, and other security tools and implements SOX (Sarbanes Oxley) security compliance.
  • Performed various configurations that include networking and IP Tables, resolving host names and SSH keyless login.
  • Performed various configurations, which include networking and IPtable, resolving host names and SSHkeyless login.

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45. RPM

low Demand
Here's how RPM is used in Linux Administrator jobs:
  • Created Linux RPM package script then uploading and executing the package through BladeLogic on TEST, UAT and PROD environment.
  • Compiled custom RPM for RedHat 7 from latest ISC BIND sources, to take advantage of enhanced RPZ functionality.
  • Designed bash scripts to automatically download, compile, and configure software (from source or RPM).
  • Created new RPM scripted installs for software and managed the in house VM provisioning tool.
  • Used RHN Satellite exporter command to channel all the packages and deploying rpm packages.
  • Installed, upgraded and managed packages through RPM and also took care of dependencies.
  • Worked on building RPM's and compiling the Linux kernel for different builds.
  • Handled troubleshooting issues like boating RPM packages, User management and backup.
  • Applied patches on all Linux Boxes from common repository using RPM.
  • Installed and maintained software packages (.rpm) as necessary.
  • Installed and configure the RPM package manager for packages.
  • Installed RPM packages and applied patches to LINUX.
  • Installed, remove and update packages using RPM.
  • Installed, queried and updated RPMS.
  • Installed different RPM Linux 4.0/5.0/6.0.
  • Installed different RPM Linux 4.0/5/0.
  • Installed, configured and maintained DNS servers, Mail servers, FTP servers, NFS, NIS, NIS+, RPM.
  • Installed and deployed RPM Packages Analyzed the Performance of the Linux System to identify Memory, disk I/O and network problem.
  • Developed, customized and build RPMs on Linux for deployment on various servers through software Development Life Cycle.
  • Worked with teams to install third party rpms/packages and created partitions using Logical Volume Manager LVM.

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46. AIX

low Demand
Here's how AIX is used in Linux Administrator jobs:
  • Implemented and maintained several client-server applications on AIX platform.
  • Predefined and Customized Volume Group management on AIX
  • Managed Logical Volume Manager (LVM) and JFS2 file systems for application & database in AIX 6.1 and 7.1 environment.
  • Scripted entire configuration management framework for AIX when executive support for open source wasn't supported to ensure consistent systems.
  • Installed, Configured, Administered, and Supported IBM Web Sphere Application Server 6.0/7.0 on Linux and AIX servers.
  • Scheduled maintenance related to AIX/Linux OS installation, Migration, TL /SP Upgrade, and fixes security patches installation.
  • Experienced in installation, configuration, tuning, security, backup, recovery and upgrades of IBM AIX.
  • Created users, manage user permissions, maintain User & File system quota on AIX and Linux servers.
  • Installed AIX 5.x using NIM on p series servers, applying packages, patches, configuring volumes.
  • Completed a full migration of UNIX Server (AIX and Linux), including all network services.
  • Worked with implementation team of high availability cluster on IBM RS/6000 platform (HACMP for AIX).
  • Served as subject matter expert for different business accounts running Unix AIX or HP-UX operating systems.
  • Supported 50+ AIX installations and multiple RedHat Linux installations filling roles from HTTP to Database servers.
  • Planned, sized, customized the new installations and installed the applications on AIX servers.
  • Experienced in building the AIX 6.1 Golden image and deploying it in the production environment.
  • Handled user and client security and access on AIX and Linux servers for remote access.
  • Applied Semi-annual security patches and service packs to IBM AIX servers and RHEL6 servers.
  • Certified Enterprise technical support specialist in AIX and Linux from IBM (000-100).
  • Configured and assigned hardware resources within LPARS, installed AIX 5.3/6.1/7.1 and installed patches.
  • Worked as AIX System Administrator to support P5 550/570/575/595, P6 and Blade Center.

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47. GIT

low Demand
Here's how GIT is used in Linux Administrator jobs:
  • Integrated remote repository and build tools (GitHub, Bit bucket, SVN, Maven) within Jenkins for continuous integration.
  • Created featured, develop, release branches in STASH (GIT) for different applications to support releases and CI builds.
  • Used GitHub enterprise as the repository to distributed version control and source code management (SCM) functionality of Git.
  • Involved in administrating Git server and continuous Integration system like Jenkins and handled escalations from developers across the globe.
  • Connected continuous integration system with GIT version control repository and continually build the check-ins from the developer.
  • Worked on version controller like GIT and continuous integration, automated deployment & management using Jenkins.
  • Implemented Continuous Integration and Continuous Deployment methodologies with Jenkins, GitHub, Maven, and Chef.
  • Worked on integrating GIT with Jenkins and scheduling jobs and also integrated in code checkout processes.
  • Installed Jenkins plugins for GIT Repository, Setup SCM Polling for Immediate Build with Maven.
  • Configured Managed and controlled the source code repository, currently housed in Subversion, GIT.
  • Worked on DevOps tools like Puppet and GIT and used Puppet to create Modules.
  • Performed Periodic customer release through Git Pushes to shared, private and public servers.
  • Installed GIT, and created GitHub account, created a local GIT repository.
  • Implemented and maintained branching, build and release strategies using Subversion and GIT.
  • Designed and maintained Subversion and GIT Repositories, views and access control strategies.
  • Used Agile/scrum Environment and used Jenkins, GitHub for Continuous Integration and Deployment.
  • Configured Hardware and Software RAID on Digital & amp; Sun Servers.
  • Worked on Version controller like GIT and integration tools: Jenkins.
  • Involved in maintaining the repository in the distributed environment using Git.
  • Used GIT to manage source code developed by various platform engineers.

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48. Application Server

low Demand
Here's how Application Server is used in Linux Administrator jobs:
  • Involved in designing WebSphere Application Server load balancing and fail over by using workload Management horizontal and vertical scaling.
  • Linux-based application server administration with focus on security, automation, optimization and standardization of new and deployed systems.
  • Carried on installation and configuration of WebLogic and WebSphere application server.
  • Performed Installation, configuration and administration of WebSphere application server.
  • Installed/Configured WebLogic 10.x/9.x and Tuxedo 8.x/10.x Application Servers.
  • Worked on WebSphere application servers patching and migration (upgrade) of WebSphere application servers from previous version to newer version.
  • Managed IBM Cloud Platform IBM Pure Application Platform, automatic deployment of IBM WebSphere Application Server 8.5.5 and enterprise applications.
  • Involved in configuration of Web Server interfaces, session management, virtual hosts and transports for WebSphere Application Servers.
  • Involved in working with QA team in Load and Integration testing of J2EE applications on JBOSS Application Servers.
  • Configured and implemented the application server environment to handle and allow all the Cisco API calls.
  • Deployed code on Web logic Application Servers for UAT, IST, and Development environments.
  • Installed and configured Web sphere Application Servers, SAP, DB2, Oracle etc.
  • Evaluated varied system logs and enforced good practices for web and application server environments.
  • Worked on deploying web applications and maintained application servers and checked system health.
  • Configured Work Load Management (WLM) for IBM Web sphere Application Server.
  • Used Shell script to configure the WebLogic application server in all the environments.
  • Installed and configured JBOSS Application servers on DEV, QA and PROD Systems.
  • Involved in migration of Web Sphere Application Server from 5.1 to 6.0..
  • Used IBM Web Sphere as web application server for deploying artifacts.
  • Installed and configured file and Application servers running on Sun Servers.

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49. Suse

low Demand
Here's how Suse is used in Linux Administrator jobs:
  • Configured and Maintaining OpenSuse Enterprise Linux servers.
  • Implemented PXE boot server for network boot loader in SuSE and Red Hat Linux.
  • Installed SUSE OS in virtual machine and configured FTP server in it.
  • Maintained 10 servers running Linux SuSE 10 and Oracle 11.
  • Installed SUSE Enterprise Server version 10 on HP Blades.
  • Installed MQM in SuSe Linux.
  • Configured all existing Suse9 modeling software to run in compliance with Fortran specifications.
  • Provided 24/7 on call supports in debugging and fixing issues related to Redhat and SuSE Linux.
  • Supported multiple client websites running on SUSE Linux 8, DEBIAN 3.1 and Redhat ES2.
  • Installed oracle Grid and Oracle RAC with ASM Worked on SuseZlinux SLES9.
  • Installed SuSe Enterprise Linux 9 on the above servers using Autoyast.
  • Configured different flavors of Linux like centos, SUSE and RedHat.
  • Configured and maintained Redhat Linux and SUSE servers.
  • Installed splunk in SuSe Linux.
  • Configured and installed SUSE Linux Enterprise Server 11/12 and Centos 5.x via kick start autoyast.
  • Performed installs & updates on Redhat Enterprise, Fedora, and Suse linux on over 100 servers.

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50. Information Security

low Demand
Here's how Information Security is used in Linux Administrator jobs:
  • Managed Information security Compliance activities, Linux server security administration & Responsible for Production Servers Deployments.
  • Managed Information Security Compliance activities, Linux server security administration & Monitoring system Performance.
  • Provided security requirements and policy as the Information Security Systems Officer.
  • Installed printers using Ethernet protocol instead of the standard token ring - Updated Information Security Policies that were implemented for the bank
  • Participated in audit support activities, as they pertain to Information Security, for both internal and external audits.
  • Assisted in ensuring workstations and servers adhered to information security rules as set down in the Computing Security Manual.

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20 Most Common Skill For A Linux Administrator

Linux5.6%
Hardware4.4%
Red Hat4.4%
Windows3.8%
DNS3.3%
Bash3.2%
Python3.2%
OS3.1%

Typical Skill-Sets Required For A Linux Administrator

RankSkillPercentage of ResumesPercentage
1
1
Linux
Linux
5.6%
5.6%
2
2
Hardware
Hardware
4.4%
4.4%
3
3
Red Hat
Red Hat
4.4%
4.4%
4
4
Windows
Windows
3.8%
3.8%
5
5
DNS
DNS
3.3%
3.3%
6
6
Bash
Bash
3.2%
3.2%
7
7
Python
Python
3.2%
3.2%
8
8
OS
OS
3.1%
3.1%
9
9
Unix
Unix
3%
3%
10
10
Perl
Perl
2.7%
2.7%
11
11
Rhel
Rhel
2.7%
2.7%
12
12
NFS
NFS
2.5%
2.5%
13
13
Puppet
Puppet
2.5%
2.5%
14
14
Web Services
Web Services
2.5%
2.5%
15
15
Database
Database
2.4%
2.4%
16
16
Centos
Centos
2.3%
2.3%
17
17
File System
File System
2.1%
2.1%
18
18
SAN
SAN
2.1%
2.1%
19
19
Solaris
Solaris
2%
2%
20
20
Ldap
Ldap
2%
2%
21
21
Configuration Management
Configuration Management
1.9%
1.9%
22
22
Troubleshoot
Troubleshoot
1.9%
1.9%
23
23
Tomcat
Tomcat
1.8%
1.8%
24
24
Veritas
Veritas
1.7%
1.7%
25
25
Nagios
Nagios
1.6%
1.6%
26
26
AWS
AWS
1.5%
1.5%
27
27
Mysql
Mysql
1.5%
1.5%
28
28
Tcp/Ip
Tcp/Ip
1.5%
1.5%
29
29
Dhcp
Dhcp
1.5%
1.5%
30
30
LVM
LVM
1.5%
1.5%
31
31
Disk
Disk
1.5%
1.5%
32
32
Setup
Setup
1.5%
1.5%
33
33
Kickstart
Kickstart
1.4%
1.4%
34
34
Java
Java
1.4%
1.4%
35
35
YUM
YUM
1.3%
1.3%
36
36
Http
Http
1.3%
1.3%
37
37
Active Directory
Active Directory
1.3%
1.3%
38
38
Virtual Machines
Virtual Machines
1.2%
1.2%
39
39
Kernel
Kernel
1.2%
1.2%
40
40
NIS
NIS
1.2%
1.2%
41
41
Ubuntu
Ubuntu
1.2%
1.2%
42
42
Vmware
Vmware
1.1%
1.1%
43
43
Samba
Samba
1.1%
1.1%
44
44
SSH
SSH
1.1%
1.1%
45
45
RPM
RPM
1.1%
1.1%
46
46
AIX
AIX
1%
1%
47
47
GIT
GIT
1%
1%
48
48
Application Server
Application Server
1%
1%
49
49
Suse
Suse
0.9%
0.9%
50
50
Information Security
Information Security
0.9%
0.9%

20,402 Linux Administrator Jobs

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