Connect to GitHub via ssh

$ ssh-add .ssh/id_github_username
Enter passphrase for .ssh/id_github_username: 
Identity added: .ssh/id_github_userna<me (user@name.de)

$ ssh-add .ssh/id_github_username (user@name.de)

$ ssh -i id_github_username -T git@github.com

Github Pages

https://docs.github.com/en/pages/quickstart

“You can use GitHub Pages to showcase some open source projects, host a blog, or even share your résumé. This guide will help get you started on creating your next website.”

Github Docs

docs.github.com

Github Certifications

examregistration.github.com/overview