Get acquainted with LVM (Logical Volume Manager) terms. Learn what is physical volume, logical volume, physical extent, volume group and logical extent.
Learn how to check account lock unlock status in Linux. Also check how to lock or unlock accounts manually with commands.
Know how to remove password expiry in Linux system. This is helpful in setting app accounts which needs non-expiry passwords to run.
Small script to get LUN id from powermt output when supplied with list of disks. Its tedious job to extract LUN id from output when you have list of disks to wok upon.
Search for highest sized file in mount point. Useful while dealing with full mount points and cleaning up files to free up space.