A sources.list generator for Ubuntu.
Simply run:
sudo apt install git
git clone https://github.com/supernany/sources-list-gen.git
cd sources-list-gen
If you can’t get git, run:
wget -c https://github.com/supernany/sources-list-gen/archive/refs/tags/2.0.tar.gz
tar -xzf 2.0.tar.gz
cd sources-list-gen-2.0
Then run:
bash sources-list-gen
Select your server. Finaly read the instructions in terminal.