For more security your authorized_keys file can also be set up to only accept connections from certain IP addresses or hostnames. Setting that up is beyond the scope of this guide, but more ...

To set up SSH key authentication, you'll need at least two Linux machines, one you log in to and one you log in from. I'll demonstrate with Pop!_OS as my desktop and Ubuntu Server as my remote server.

GitHub has rotated its private SSH key for GitHub.com after the secret was was accidentally published in a public GitHub repository. The software development and version control service says, the ...