S/N Responsibilities1 OS installation/re installation2 Package administration3 User administration4 File system administration and Monitoring 5 Cluster administration,monitoring and management6 Basic shell scripting 7 scheduling crones8 SSH configuration9 LVM administrator10 NTP configuration11 Monitoring resource utilization12 Kernel and other parameters performance tuning 13 Monitoring CPU, Zombie process ,load average,disk space,memory utilization ,I/O utilization etc.14 Apply OS Patches,BIOS,firmware ,drivers and necessary updates15 Regular analysis of events,kernel messages, necessary systems and application logs