This page contains command syntax and short scripts for things I often forget how to …

clone a drive with dd and show progress
Correct time difference between Ubuntu and Windows on multi boot systems
Disable kWallet on the Plasma desktop
Display all certificates contained in a PEM file (full chain)
Enable System Icons (home, Trash, My Computer, Network) on the Plasma desktop
KVM/ QEMU Extend a virtual disk
KVM/ QEMU mount host directory in VM
Repository for offline systems from a Debian that is online
SDDM Multi-Monitor wrong order