Dracut repair

Sometimes you have to regenerate that f***ing dracut stuff (initial Ramdisk)

Signing files

Howto sign and verify files using SSL and 3 little shell scripts. This is a good way to make sure that no one is messing with your binaries …

Using TMUX as chat tool

Sometimes you need share a screen with one of your fellow linux admins and you don’t have Teams/WebEx or some other bullshit at hand.

Unlock root

Howto unlock the root account of any linux system without DVD or ISO file.