Thank your for travelling with Deutsche Bahn

There are a lot of things we need to fix before we can get everyone on more climate friendly modes of travel, like trains. This was proven yet again by Deutsche Bahn. I like train journeys. They’re times where there is literally nothing to do but enjoy myself. There are no chores I can do, no work I have to do, nothing. Just free time. And in contrast to a couple of years ago, there is even decent Internet connectivity. So I get to do what I enjoy. Sometimes just leaning back and reading a good book or listening to a couple of episodes of my favorite podcast, sometimes writing blog post or researching the next steps for my Homelab. ...

October 8, 2023 · 7 min · Michael

Internet in the German ICE train: WireGuard MTU problem

I’m currently on my way home for a family visit and a weekend with friends. I’m sitting in the first class carriage of an Deutsche Bahn ICE train. Internet is working as expected while surfing. A little bit slow, and I’m getting timeouts from time to time. But it’s workable. The problem started after I enabled my WireGuard VPN to connect to my Homelab. Initially, it works okay, but then everything just stops. E.g. SSH connections work, but then when I enter tmux for example, everything stops. No clear error message at all. ...

September 29, 2022 · 2 min · Michael