• Welcome Wireguard (It’s really always DNS)

    Today I commuted to work and of course wanted to try my new #Navidrome setup that I wrote about before. And – it didn’t work :-( It couldn’t resolve the host name. DNS – again!

  • Migration, Containers and … It’s always DNS, really

    As I wrote in my previous post, I have a new member in the home server environment: The Lenovo ThinkCenter Mini Computer! Right after getting Ubuntu up and running on it, I began the process of easing the workload on my #RaspberryPi. PiHole had been flagging high CPU load a couple of times already, especially…

  • How to Use a Lenovo ThinkCentre M910q as a Powerful Home Server

    As an IT enthusiast, I’ve long been (and still are!) a fan of the #RaspberryPi mini computers. My main Pi already runs multiple services like #PiHole, #Navidrome and #Jellyfin – which often pushes it near its limits. Well, recently I found myself wanting to add even more services to my local network. Unfortunately, my NAS…

  • When Vibe Coding backfires: AI deletes company’s Database

    AI agents “cannot be trusted [and] you need to 100% understand what data they can touch. Because — they will touch it. And you cannot predict what they will do with it.” Sounds like the statement of an AI hater — but in fact it’s from Jason Lemkin who was using Replit (an AI powered…

  • Martin Fowler on “Expert Generalists”

    For a while, I kept asking myself: What’s my technical profile, really? I’m not a specialist in one narrow field. But I go deeper in several areas than a typical generalist. So … is that good or bad? Is that a strength – or a flaw, because I’m not “deep enough” in one single thing?

  • Rebel Talent – A Book About Smart Nonconformity

    We often think of rebels as rule-breakers. But Rebel Talent by Francesca Gino makes a different argument: the most effective rebels don’t break rules — they challenge conventions. They don’t seek chaos, but creativity. They don’t follow blindly — they question, explore, and rethink. That’s the kind of rebellion this book is about.

  • When AI Writes Code — Who Really Sets the Price?

    AI writing code sounds like every CEO’s dream: cheaper, faster, maybe even better. But what if swapping expensive developers for clever tools just creates a new kind of risk?

  • How to batch migrate Repos from Bitbucket to Codeberg

    When I was browsing through my code archive, I noticed that I was missing some projects and wondered where I had left them after my recent re-install. Just then I noticed that I still had some private repos at Bitbucket. As I just needed a place to back up the code, I decided that I…

  • Trying Bookwyrm

    Besides programming and all kinds of IT stuff, I really like reading books. Regarding my Calibre library, I am reading between 10 and 20+ books a year. The spectrum covers a couple of IT books but mostly Science Fiction and Fantasy books. Bookwyrm? And since I joined Mastodon and thus the Fediverse, I came across…

  • Seems like I’m really off LinkedIn

    I’ve written a couple of times in the past about my goal to leave #LinkedIn. The last time was a month ago, when I wrote, ‘I found my replacement for LinkedIn!‘. Since then, I’ve only logged in to add new contacts, to check if it’s someone’s birthday, or to read messages.