User and Group Administration.Strong technical background in Logical Volume Management (LVM) and taking snapshot of the logical volumeInstall, upgrades and manages packages via RPM and YUM package management.Knowledge on configuring SeLinux.Configure FTP server.Configure Apache web Server.Create, mount, unmount and use ext4&XFS filesystemsCreating, troubleshooting and mounting NFS File systems on different OS platforms.Configure Apache web Server.Create & Maintain User and Group AdministrationCreating, modifying users, changing permissions, setting sticky bit and ownership of files and directory.Configured volume groups and logical volumes, extended logical volumes for file system growth needs using Logical Volume Manager (LVM) commands.Experience in Setting up and configuring Install Server, Configuration Server and Boot Server for Kickstart process & performed Kickstart to install OS on Several workstations.Creating, troubleshooting and mounting NFS File systems on different OS platforms.Configured various services, devices as well as applications of Linux servers and worked with the application team to customize the environmentCreate & Maintain User and Group AdministrationCreating, modifying users, changing permissions, setting sticky bit and ownership of files and directory.Install, upgrades and manages packages via RPM and YUM package management.Knowledge on configuring SeLinux.Operating Systems : Redhat (6,7 and 8), OS installation in LINUX servers, Troubleshooting O/S(LINUX) related problems.User/Group Administration.Implementing various security tools like SETUID, SETGID and STICKY BIT on file system for secure access.Creating and Managing the File Systems.LVM: knowledge creating the file systems using LVM, extending/reducing VG and LV Sound knowledge of installing and configuring serversPatching/Software Deployment: Install patch/software and upgrade using rpm & yum (for Linux)

* Installation, configuration, and maintenance of Linux servers and workstations. * Troubleshooting system issues and performance bottlenecks. * Patch management and security updates. * User and group management.Monitoring server performance and resource utilization. * Backup and recovery procedures. * Disaster recovery planning and implementation.Security: * Implementing and enforcing security policies and procedures. * Vulnerability assessment and remediation.* Networking: Understanding of network protocols (TCP/IP, DNS, DHCP). * Security: Knowledge of security best practices and tools. * Problem-solving: Ability to diagnose and resolve complex technical issues. * Communication: Effective communication skills, both verbal and written. * Teamwork: Ability to work collaboratively in a team environment.