This script only changes the login background on Kali Linux 2020.3 and Ubuntu 20.04. the latest. You can change the login background color by selecting your favorite color. And if you want to change the login background with an image, we only need to prepare an image then running the script will automatically change the login screen background on your linux.

• Kali Linux 2020.3 [Desktop GNOME]
• Ubuntu 20.04

Instructions on how to use the Background Login Screen:

git clone https://github.com/kp300/BACKGROUND-LOGIN-SCREEN.git
cd BACKGROUND-LOGIN-SCREEN
sudo chmod +x login-background.sh

Kali Linux:

sudo bash login-background.sh kali

Ubuntu 20.04:

sudo bash login-background.sh ubuntu

sudo bash login-background.sh -reset

Ubuntu	Kali Linux