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  • DNS4EU: a private, safe, and independent European DNS resolver

    Recently I switched my DNS Resolver to one of the European public DNS resolvers | European Alternatives mainly for privacy reasons after reading Cloudflare’s blog post about analytics in their free-tiers. But I missed the malware protection. But today I just got aware of DNS4EU For Public! DNS4EU is an initiative by the European Commission…

  • Is it finally over for Developers?!

    We’ve heard it all a couple of times: “GenAI is replacing Software Developers”, Vibe Coding, … A C-Levels dream to (finally) get rid of expensive software developers by using AI.

  • Take Back the Stream: Support PeerTube’s Mobile App

    Big Tech dominates online video. Algorithms, Ads, and tracking define what we see and who gets heard. PeerTube offers a real alternative – decentralized, open-source, and powered by its users, not corporations. Now, PeerTube is taking a critical next step: building its first official mobile app. Framasoft, the nonprofit behind the project, has launched a…

  • I found my replacement for LinkedIn!

    If you’ve followed me, you might have noticed that I had pulled back my activities on LinkedIn gradually: I posted less, stopped interacting and deleted my content. But I kept returning – only to feel the same mix of disappointment and annoyance every time. Eventually, I asked myself: Why did I keep coming back –…

  • AI Agents: Loyal Only to the Prompt

    Recently I thought “If AI scrapers are scraping my website, would a prompt injection work? Just adding invisible Prompt commands …?” And just today, a colleague sent me this link to an article about prompt injection in GitLab Duo: Remote Prompt Injection in GitLab Duo Leads to Source Code Theft: TL;DR: A hidden comment was enough…

  • Why “Open” may not Always be Enough

    If you care about open source, open data, or open standards, you should read “What we in the open world are messing up in trying to compete with big tech“. I found it a good critique on Open Source and why “technology” and an OpenSource Licence may not be enough to compete with BigTech players.…

  • Buchempfehlung: Die Logik des Mißlingens

    Eine Kollegin hat mir neulich ein Buch empfohlen: “Die Logik des Mißlingens, Strategisches Denken in komplexen Situationen” von Dietrich Dörner. Klang ja wie eine Anleitung für Projektleitung. Kurz darauf lag also eine leicht vergilbte second-hand Ausgabe davon auf meinem Tisch. “Die Logik des Mißlingens” ist kein neues Buch – es ist von 1989, aber ein…

  • Podcast: Warum Arbeit häufig Zeitverschwendung ist

    Gerade von Kollegen empfohlen bekommen: eine Podcast Folge über Arbeit und Meetings. – Wird irgendwie nie alt.

  • How to check the Email Security Level of your Provider

    If you’ve ever wondered which security protocols your email-provider supports, there is an easy way that I found via Mastodon: The European Commision provides My Email Communications Security Assessment (MECSA) (https://mecsa.jrc.ec.europa.eu/) with which you can quickly check, which of the protocols your provider supports (StartTLS, x509 Ceerts, SPF, DKIM, DMARC, DANE, DNSSEC).

  • How to delete all content from LinkedIn

    As I’ve written earlier, I’m going more and more away from LinkedIn (like here and here). During my #unplugTrump activity, I decided that I want to go a step further and remove all my content (posts, answers, likes) from LinkedIn. On Mastodon, I have auto-delete activated already for various reasons. Now I wanted to clean…