This text provides an in-depth explanation of how to create a simple GitHub Action using action-sshd-cloudflared that runs a shell script and exposes an SSH server over the internet. The author walks through each step, from creating the simplest GitHub Action possible to fetching public SSH keys, generating a server key, configuring the SSH server, starting cloudflared tunnel, outputting client instructions, and monitoring for session end. The action is useful for debugging GitHub workflows efficiently.