This script assumes that the Installation of Ubuntu 20.10 is a fresh install. If you tried to change the GDM background with some other scripts you first need to reset those changes. Other scripts may have the option --reset.
Change the login screen background for Ubuntu 20.10 only
this script is to change the login screen background of Ubuntu 20.10 only.
you can download the groovygdm3 file via command line
make sure git and libglib2.0-dev are installed if not enter this command :
sudo apt-get install git libglib2.0-dev
git clone https://github.com/ackr-8/groovygdm3.git
Once you downloaded the script groovygdm3. cd to the folder groovygdm3.
run the below command with root privileges (sudo) and follow the prompts.
./groovygdm3 --set
to reset everything that the script made
run the below command with root privileges (sudo)
./groovygdm3 --reset
if you are having issues running the script enter the following command : chmod +x groovygdm3