The team behind elementaryOS released their next major release. But it seems there is no official upgrade path. Everywhere I searched I was confronted with that it is not possible, and I would have to do a fresh installation. I was shocked. A Linux system I cannot upgrade?

If you have gained some experience in Kubernetes, then you definitely know that debugging distributed systems is …. a beast.

Synchronizing time between virtual machines which do not have access to a hardware clock or time marker is a challenge. Especially, if these virtual machines serve as Kubernetes nodes and do not run all the time (paused, suspended). But, I found a working solution for me.

Here is a quick guide on how to set up Jenkins with HTTPS. There are numerous guides available, already. And I read some of them. But two things struck me odd. First, some guides want you to change the central systemd file for Jenkins (instead of an override file) and secondly, they want you to create a JKS file (instead of PKCS #12).

During the transition from 2022 to 2023, I had some days off and took that time between Christmas and the rest of the year to get my hands (finally) glowing again while hacking with Kotlin against POSIX and creating native executables. But, let’s step back for a moment.