wget https://git.acc.gsi.de/schaller/git-scripts/raw/branch/master/git-configWhen asked, enter or check your real name and email address used by Git. This step needs to be executed just once, but can be executed as many times you need or if you need to recreate your
chmod +x git-config
./git-config
~/.gitconfig
file.
Now continue with creating an uploading an ssh key.