This script assumes that the Installation of Ubuntu 20.04 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.
Change the login screen background for Ubuntu 20.04 only.
this script is to change the login screen background of Ubuntu 20.04 only.
you can download the focalgdm3 file via command line
wget -qO - https://github.com/PRATAP-KUMAR/focalgdm3/archive/TrailRun.tar.gz | tar zx --strip-components=1 focalgdm3-TrailRun/focalgdm3
Once you downloaded the script focalgdm3. cd to the downloaded script file.
to set the background with Image
sudo ./focalgdm3 /absolute/path/to/image
to set the background with color
sudo ./focalgdm3 \#aAbBcC replace #aAbBcC with any vaid hex color code..
to reset everything that the script made..
sudo ./focalgdm3 --reset
