This script assumes that the Installation of Ubuntu 20.xx/21.xx is a fresh install. If you tried to change the GDM background with someother scripts, you first need to reset those changes. Other scripts may have the option --reset.
Recommended: Please have a look on the 'TrailRun' Branch for single line commands like below
sudo ./focalgdm3 /absolute/path/to/Image
sudo ./focalgdm3 \#aAbBcC
Change the login screen background for Ubuntu 20.xx/21.xx only.
this script is to change the login screen background of Ubuntu 20.xx/21.xx only.
you can download the focalgdm3
file via command line
curl -O https://raw.githubusercontent.com/agail/focalgdm3/master/focalgdm3; chmod +x focalgdm3
run the below command with root priviliges and follow the prompts.
./focalgdm3 --set
to reset everything that the script made
run the below command with root priviliges
./focalgdm3 --reset