Change background of login screen

[fixit7]

Thanks so much. I found the answer here.

GUI to Change Background Arctica Greeter (Login Screen) on Ubuntu-MATE 22.04

Ah zenity... I haven't run zenity a loooong time. You can use sudo and zenity to ask for password. zenity --password | sudo -S "command" -S read from stdin In a script something like this: if [[ "$EUID" = 0 ]]; then echo "already root" else sudo -k # make sure to ask for password on next sudo if zenity --password | sudo -S true; then echo "correct password" else echo "wrong password" exit 1 fi fi # Do your sudo stuff here. Password will not be ask…