git config --global credential.helper cache # Or use libsecret on GNOME: sudo apt install -y libsecret-1-0 libsecret-1-dev cd /usr/share/doc/git/contrib/credential/libsecret sudo make git config --global credential.helper /usr/share/doc/git/contrib/credential/libsecret/git-credential-libsecret From Ubuntu repos:
git submodule add git@github.com:owner/subrepo.git path/to/subrepo git submodule update --init --recursive Handling credentials for HTTPS (credential helper): github for ubuntu upd
git add . git commit -m "Describe change" git push -u origin feature/my-change Open a pull request using gh: git config --global credential