• Installation of Operating systems, software, patching, upgrading and maintenance of Operating system. • Install upgraded and maintenance of server hardware components as per requirement.• Maintaining and troubleshooting the systems and making them to work properly without any problem.• Also responsible for supervision of backup and disaster recovery operations. • Performed system startups and shutdowns.• User Administration: add/delete/modify users & user groups and… Show more • Installation of Operating systems, software, patching, upgrading and maintenance of Operating system. • Install upgraded and maintenance of server hardware components as per requirement.• Maintaining and troubleshooting the systems and making them to work properly without any problem.• Also responsible for supervision of backup and disaster recovery operations. • Performed system startups and shutdowns.• User Administration: add/delete/modify users & user groups and respective privileges and resource permissions using SUID, SGID and Sticky bit.• Installation of My Sql Database.• Responsible for apply Quota on users and Group.• Configuring and managing LVM.• Creating users and assigning permission on Linux servers for application (FTP, SAMBA, NFS, SSH) or OS access.• Installation & Configuration of DHCP, DNS, NTP server & Apache Tomcat.• Implementing ACL’s for the files & directories• Keeping a track of Memory, CPU, Disk uses in the form of excel reports.• Using YUM package manager to install utilities, update, uninstall and more. • Installation of packages through RPM & YUM.• Linux server configuration and monitoring.• Knowledge of shell script. Show less