In this blog post, I'll show you how to setup a Yubikey with both signing and authentication keys. As a driving example, I'll describe how to use a Yubikey to sign your git commits and authenticate via SSH with GitHub. Of course you can reuse this guide to authenticate with any other SSH server as well.
In this blog post, I'll show you how to configure a Docker-based personal server, running each service in a separate Docker container. Modern devops tools have made it easier than ever to run your own server and for anyone with basic familiarity with Linux, it's worth a try. In this tutorial, we'll use Gitlab as a running example.