Archives for April 2018

How to change UID or GID safely in Linux

Published: April 28, 2018 | Modified: June 25, 2020

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.

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How to safely remove disk from LVM

Published: April 17, 2018 | Modified: June 25, 2020

Learn how to safely remove the disk from LVM. It’s useful when you need to free up disks from the volume group and re-use somewhere else or replace a faulty disk.

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Boot SUSE Linux from old kernel after kernel upgrade

Published: April 2, 2018 | Modified: June 25, 2020

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.

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