Linux System Administrator

Role: Linux System AdministratorLocation: Chennai Desired Competencies (Technical/Behavioral Competency)Must-Have Linux Booting process ( How the server boots)Experience on Hardware replacement activities ( Drive ( raid 0, raid 1, raid 5) , CPU , Memory , System board) and co-ordination with apps/DBA teams and vendorsHow to check the hardware statusHow to engage the vendorsHow to raise the vendor casesExperience on OS-patchingExperience on OS build.Experience on DNS issuesExperience on Network issuesExperience on user & group managementExperience on package management ( RPM & YUM)Experience on re-creating the file system after disk replacement for raid 0 disk.Analyzing the logs for RCAExperience on troubleshooting on different scenarios if system is not reachable if system is not able to login if kernel panicif high load on serverif grub file corruptedif disk space is fullif file system corruptedif /etc/fstab file entry missing or bad entrycan’t cd to the directory even if user has sudo privilegesRunning Out of MemoryIf swap space is fullSystem unexpectedly reboot and process restartIf cpu/memory fullPerformance issues System is not booting after restart/patching