Jan Sydänviita (né Tuomi)

The Atomium, an educational and cultural landmark in Brussels. EuroBSDCon 2026 EuroBSDCon is one of the events organized under the BSD community umbrella, focusing on all things related to and descending from 4.4 Berkeley Software Distribution. This year's event was held between September 9th and 13th in Brussels, Belgium, but the city and country change every year. The themes revolved around BSD (naturally), but there's always a healthy serving of generalizable talk about e.g. networking,…

Got married! Broke my elbow while bouldering, writing this on sick leave. Added Gemini capsule version of this site. Jojo looked presentable at the wedding 🎀 Wedding and new surname I got married to my wife Marika in August after 15 years together. The day was better than I could have ever imagined. The weather was great and my bride was stunning. We both remembered our vows without a single stutter. Incredible photos with 60 of our closest friends and family members. Delicious food and drink.…

Check out my new, self-hosted Git server: forge.jan.systems It is now my primary Git remote. All my projects in GitHub and GitLab have been migrated and will be developed in the "forge" from here on out. Why? Piece by piece, I'm moving my personal computing out of the hands of American tech giants. I want to self-host where it makes sense, and use European services where it doesn't. Hosting my own Git server is pain free and gives me control over my data. The current, working iteration consists…

Abstract: Linux software distributed as OCI container images can be extracted into a FreeBSD jail with Linux compatibility enabled. With a couple of mounts set up to make the extracted root a valid Linux userland, the "container" can run like a regular jail without involving virtual machines or a separate control interface (podman). Isolation is handled by the jail subsystem. FreeBSD has a respectable library of ported software in the ports tree. Getting ported software set up is usually just a…