Linux Administrator Resume Samples

Description :

1. Installation, Configuration, Administration and Upgrade of Redhat Linux 5.x, 6.x Operating systems.
2. Implemented and administered VMware ESX 3.5, 4.x for running the Redhat Linux servers on development and test servers.
3. Configured volume groups and logical volumes, extended logical volumes for file system growth needs using Logical Volume Manager (LVM) commands.
4. Experience in Setting up and configuring Install Server, Configuration Server and Boot Server for Kickstart process & performed Kickstart to install OS on Several workstations.
5. Configuring distributed file systems and administering NFS server and NFS clients and editing auto-mounting mapping as per system/user requirements.
6. Creating, troubleshooting and mounting NFS File systems on different OS platforms.
7. Configured various services, devices as well as applications of UNIX servers and worked with the application team to customize the environment.

Experience

2-5 Years

Level

Junior

Education

Bachelors Of Technology

Description :

1. Working as member of the UNIX team actively worked on RedHat Linux, servers in handling requests.
2. Involving in system capacity planning and troubleshooting issues related to new builds, performance and troubleshooting Responsibilities: Installation of Centos and/or RHEL (RedHat Enterprise Linux) 5.X, 6.X administrator and maintaining server Spacewalk 2.X.
3. Proficient experience in using and configuring RedHat Satellite servers, Yum repositories and Troubleshooting activities.
4. Using spacewalk to patch, monitor and provision workstations and servers Bash scripting supporting Linux servers and end-user workstations Involved in support and maintenance of HP ProLiant servers, HP blade systems and Dell PowerEdge Servers.
5. Diagnosis and maintenance of hard ware issues involving single and multiple point failures.
6. Proficient working experience with vendors like HP, Oracle, Dell, Veritas and RedHat for troubleshooting issues.
7. Creating and managing Virtual Machines and Templates, worked with clones and snapshots of Virtual Machines.
8. Support GUI and autofs mounts, installing packages using yum and AD authentication on Linux.

Experience

2-5 Years

Level

Junior

Education

Solaris

Description :

1. Installed, maintained and upgraded Redhat Linux and Solaris Servers using kickstart based network installation.
2. Configured and administered multiple production Redhat 4.0, 5.0 servers across multiple platforms.
3. Worked on Shell scripts to run, kill, Monitor, backup, rollback and archive all files for Server.
   
4. Worked on resolving the day to day issues reported by business people and resolve pre-production issues in C++ Applications.
5. Building software packages on Red Hat Linux (RPM) and Solaris (DaTaStReAm package format) Wrote tools in Perl to login & interrogate Sun ILOM & XSCF & HP ILO via SSH and telnet.
6. Wrote tools in Perl & shell to run parallel SSH connections to remediate configs & QA on several thousand hosts.
7. Configured and maintained the volume groups, logical volumes using LVM, VERITAS Volume Manager and Solaris Volume Manager.

Experience

7-10 Years

Level

Management

Education

Bachelor Of Technology

Description :

1. Managed and installed software packages using YUM and RPM and created repository files for offline servers.
2. Deployed and implemented NIS, DHCP and DNS environment and implemented and maintained Proxy Server under Linux issues regarding Samba Servers and perform hardware and software installs/upgrades.
3. Created Solaris Jumpstart and Linux Kick start servers and processes to automate and standardize the installation process, reducing Installation time by 35% and post-installation errors by 50%.
4. Utilized ssh-keygen within DSA encryption to make a connection without a password from a remote Linux cloud server to a local machine.
5. Used FTP, Samba protocol to transfer data between servers (Production and Development) for code drops.
6. Performed routine account maintenance upon customer request, including DNS updates, httpd changes, and mailman list setup and maintenance on Linux systems.
7. Maintained Active Directory infrastructure creating new users and assigning rights set up a timed scheduled tape backup of network every night.

Experience

7-10 Years

Level

Management

Education

IT

Description :

1. Installation, Upgradation and configuration of RedHat Linux and Windows 2000 servers.
2. Installed and Configured WebLogic 6.0/7.1 Application Server.
3. Deployed latest patches for, Linux and Application servers, performed RedHat Linux Kernel Tuning.
4. Supported EA's infrastructure on Amazon Web Services (AWS) cloud which includes creating and maintaining the instances as per the business requirements.
5. Perform change managements from systems team for any maintenance.
6. Upgraded BEA WebLogic 7.0/6.1 server with latest service pack patches to 8.1.
7. Developed Korn and Bash shell-scripts to automate routine activities Migration of database applications from Windows 2000 Server to Linux server.
   

Experience

2-5 Years

Level

Junior

Education

Electrical Engineering

Description :

1. Installation of RHEL 4.x based servers and Centos, based servers using Kickstart in development, test and production environments.
2. Performed project coordination function for evaluation, installation, monitoring, and maintenance of server software on variety of hardware platforms.
3. Installed/ upgraded patches, firmware (OBP), and security (Kernel) patches for all applications in installed infrastructure.
4. Made Package management using RPM, YUM and UP2DATE in Red Hat Linux.
5. Proactive maintenance on systems by timely upgrading Patches to the systems and applications, Scheduling of batch jobs and cronjobs.
6. Responsible for user administration and management using SUDO and RBAC Maintained Volumes and File systems using VxVM / VxFS for Oracle, DB2, Sybase and SQL DB.
7. Used VxVM to add disk, create new disk groups/volumes, resize, deport and import disk groups between servers.
8. Supported server running data ware housing application and terradata database.

Experience

7-10 Years

Level

Management

Education

Bachelor's

Description :

1. Responsible for managing more than 500 LINUX servers through virtualization.
2. Installed VMware ESXi software which is a part of vSphere suite on bare metal hardware and implemented several virtual hosts on top of that ESXi environment.
3. Installed, monitored and managed several virtual hosts on VMware ESXi using the software vSphere client.
4. Installed VMware vSphere client software which is a part of vSphere suite on a client machine to monitor the virtual hosts.
5. Installed VCenter server on a physical machine and make that system as a virtual server to connect and maintain several ESXi servers and dozens of virtual machines in a data center environment.
6. Used the vSphere client to connect with the VCenter server for management purposes.
7. Installed Linux OS, and configured required network on the virtual machines.
8. Configured and automated the deployment of Linux and VMware infrastructure through our existing kickstart infrastructure.

Experience

2-5 Years

Level

Junior

Education

Bachelor Of Technology

Description :

1. Installing Patches and Packages on AIX and RedHat Linux servers.
2. Performed automated installations of Operating System using kick start for Linux Installed and implemented Samba/DNS / NIS / Automount / NFS/ Sendmail on Linux servers Installed apache, MySQL, PHP, Perl Modules and customer build applications on Redhat Linux servers.
3. Hand on experience with server management related to changes, incidents, problems, upgrade, and release.
4. Deployed and administered vSphere / ESXi in large scale environments Installed and configured Apache and supporting them on Linux production servers.
5. Performed various programming task which included coding in PHP.
6. Used monitoring tools such as top, vmstat, iostat and ganglia for production support and analysis.
7. Worked with LAMP (Linux, Apache, MySQL (database), Perl and Python) and Content Delivery Network (CDN).
8. Administered Linux Systems for clustered with fiber attached SAN storage.

Experience

7-10 Years

Level

Consultant

Education

BS

Description :

1. Developed build scripts using Ant and shell for java projects to create JAR and WAR Artifacts.
2. Installed and configured Jenkins for Continuous Integration and Release Management.
3. Worked extensively on Subversion (SVN) as Version Control.
4. Created Branches, Tags for each release and particular environments.
5. Jenkins administration to user access credentials, deployment email notification configuration for new users and using matrix Authorization strategy plugins to Manage Jenkins Have used Confluence to create, share and discuss content and projects.
6. Deployed Enterprise Application Archive (EAR), Web Application Archive (WAR), Staging and Production environments.
7. Closely worked with development, QA and other teams to ensure automated test efforts are tightly integrated with the build system and in fixing the error while doing the deployment and building.
8. Maintaining Remedy environments used for the ticketing system.

Experience

2-5 Years

Level

Executive

Education

Computer Science

Description :

1. Installed and configured Solaris 8, 9, 10 using CD media, Jumpstart and RHEL 4.x, 5.x using CD media, Kick start.
2. Administered and troubleshoot Solaris and RHEL installed on Sun Fire and IBM blade Implemented system upgrades including hardware, operating system and patch upgrades.
3. Created, modified, and deleted users, groups and group memberships as per requirements.
4. Installed and upgraded software packages for Linux and Solaris Servers using RHN and sun update manager.
5. Analyzed and monitored resource utilization, and system performance using various system tools such as vmstat, sar etc.
6. Made backups of the directories and files using the tar, gzip, and gunzip tools.
7. Wrote Shell scripts for monitoring the systems and applications such as monitoring the processes in all the servers, and also run cron jobs using cron and at.
8. Managed volume and file system using VxVM, SVM and ZFS on Solaris and LVM in Linux.

Experience

7-10 Years

Level

Management

Education

Bachelor's In Education

Description :

1. Administration of RHEL which includes installation, testing, tuning, upgrading and troubleshooting both physical and virtual server issues.
2. Creating, cloning Linux Virtual Machines, templates using VMware Virtual Client 3.5.
3. Adding SAN using multipath and creating physical volumes, volume groups, logical volumes.
4. Involved in applying Patches, Installing patch bundles on HP-UX and Red hat Linux.
5. Performed automated installations of Operating System using Kick start for Linux.
6. RPM and YUM package installations, patch and other server management.
7. Managing systems routine backup, scheduling jobs like disabling and enabling cron jobs, enabling system logging, network logging of servers for maintenance, performance tuning, testing.
8. Set up user and group login ID's, printing parameters, network configuration, password, resolving permissions issues, user and group quota.

Experience

2-5 Years

Level

Executive

Education

Diploma

Description :

1. Installation, Configuration, and OS patches on RHEL 6 and CentOS 6.
2. Administered VMware ESX 5.5 for running the Windows, Centos and Red Hat Linux servers on all environments.
3. Creating volume groups, logical volumes and extending them using LVM.
4. Working with application team for exporting shared volumes and mounting shared volumes.
5. Worked with local development team, remote application team and database team throughout the lifecycle of backup project to migrate the servers to newer enterprise version.
6. Worked with DBA team for network related, permissions, mount points and space related issues.
7. Mounted the Netapp shelves and did capacity planning according to the requirement to support backups of the infrastructure.
8. Responsible for configuring networking concepts like NIS, NFS, SAMBA, LDAP, SSH, SFTP, SNMP, DNS, DHCP.

Experience

7-10 Years

Level

Management

Education

Engineering Management