Howto set hostname, doaminname, ip address, search doamins, dns etc. pp. on an esxi server with commandline.

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

Sometimes you have to repair that damn linux system …

HowTo configure LSI megaraid using the CLI.

HowTo create a tripple mirror (3 disks) with LVM2 in linux.

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 …

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.

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