Regular linux systems have to be re-configured … sometimes one runs later in the same problems and can not remember what did the “trick”!
Therefore finde here some plain and ordinarily commands, don’t expect fancy tricks as it is more of a mnemonic for me. For details check manual pages man postgres, tldr wine, etc.!
free memory by deleting unused files
$ sudo apt clean && sudo apt autoremove -y
$ snap list --all | awk '/deaktiviert|disabled/{print $1, $3}' | while read snapname revision; do sudo snap remove "$snapname" --revision="$revision"; done