Crazy enough to host your own email, but don't know how to set up auto configuration for your mail clients (like Thunderbird)? If you haven't googled it yet, this post is for you.
How I (painfully) upgraded a running k0s cluster from single-master to HA master. In the end I think a single well-equipped master was actually quite stable and better, but the lure of 'web scale' was too strong. Also, if you're thinking of attempting this, just start a new cluster.
If you ever wondered how to install newer versions and bleeding edge ZFS on a bare metal (Hetzner)? Here's a writeup on that.
Wondering what happens when a hard drive you're using on a Hetzner dedicated server fails? Wonder no longer.