Git Verified Commit
Export your key and add it to GitHub
Get your key signature
gpg --list-secret-keys --keyid-format=long
If you haven't already, set your name and email in Git:
git config --global user.name "Kyle"
git config --global user.email "[email protected]"
Set your signing key in Git
git config --global user.signingkey ABCDEF1234567890
Make sure Git can talk to GPG:
# in ~/.bashrc
export GPG_TTY=$(tty)