In this article, we explain what are the Primary IBM AIX SysAdmin Activities, this article will help you to clear AIX System Admin Interview.

Monitoring Tools:

Nagios/Zabbix/Manual Bash Scripts which is automated for monitoring complete server.

Manual check commands for IBM AIX:

  • $ vmstat: Run queue, virtual memory statics, paging CPU
  • $ iostat: monitor system input/output (I/O) devices (physical and logical) that are mounted.
  • $ netstat: To monitor network staticsIBM AIX SysAdmin Activities
  • $ ps: statistics and status information about processes
  • $ nmon: show local system statistics in interactive mode and records system statistics in recording mode
  • $ topas: shows pid, nice value, user, ppid, cmd, CPU use, memory use, time.

IBM AIX Health Checkup:

  • H/W Check – $ prtconf
    • Display output with System info / Server info / N/W info / Paging Space / Memory / I/O.
  • System Uptime – $uptime
    • Shows when the system is started, update every 1, 5, 15 min intervals and which user are login.
  • Load Average
  • Power Backup Failure

IBM AIX Troubleshooting:

  • Checking Tickets on Portal / on mails.

    • FileSystem Related like no space in “ /, var, usr, opt” FS, FS corrupt, FS creation and mount.
    • Disk related like extending disk in VG, extending LV, Assigning Luns for Database User etc.
    • Networking related activity like Network Slowdown, ether channel issue etc…
    • User and Group Administration task like password failure, user creation, password assigning [this activity can be done by sudo user/admin user (maximum time begin admin user)] or rarely via root user.
    • Remote session Issues
    • Check cron jobs executed successfully.
    • Pseudo user credential activity (Optional)
    • IBM Call log for H/W failure (Optional)
    • Backup: Daily/Weekly/Monthly backups – (Incremental/Differential/Full backups)
    • NFS and CIFS FileSystem mounting and creating
  • Diagnostics Issue

    • Disk Failure Issue (disk will start blinking with red light).
    • Network Cabling Issue
  • Project Planning

    • TL Upgrade (rarely done activity) – Planning & Implementation of Upgrade activity
    • SP Upgrade (rarely done activity) – Planning & Implementation of Upgrade Activity
    • Firmware or HMC upgrade(Optional)
    • VIOS Upgrade.
    • Memory and CPU Increase
  • System Reboot Issue/System Crash (Call log to IBM)

This is the IBM AIX SysAdmin Activities and is prepared with commands and example for the interview.

Check out Linux system admin activities and daily job responsibilities