Learn how to change UID or GID safely in Linux. Also, know how to switch UID between two users and GID between two groups without impacting files ownership they own.
Archives for April 2018
Learn how to safely remove disk from LVM. Its useful when you need to free up disks from volume group and re-use somewhere else or replace faulty disk.
How to guide to boot Suse Linux from old kernel after the kernel upgrade. It tells how to sequentially upgrade the kernel and then downgrade to the older one.