An OpenSSH Detective Story¶

It was one of those bugs that smelled like a key problem.

GitLab wouldn’t let anyone in.

The usual suspects …

After upgrading one of my self-managed GitLab instances to GitLab 19, a bunch of CI jobs suddenly started failing while pushing images to the GitLab Container Registry. The failure itself …

Introduction¶

One of the most persistent beliefs in IT is that critical infrastructure should always use static IP addresses. Ask a room full of system administrators how to …