Practical notes on building, running and securing software, and on where AI fits in. In plain language, newest first.https://iank.nl/https://iank.nl/knowledge/php2shell-response/https://iank.nl/knowledge/php2shell-response/Two critical PHP flaws, a lot of sites, and no compromises. What mattered most was knowing what you run, patching in order of risk, and watching what you can't take offline.Sun, 08 Nov 2026 00:00:00 GMThttps://iank.nl/knowledge/shipping-a-game-with-agents/https://iank.nl/knowledge/shipping-a-game-with-agents/Agents wrote most of the code. The useful lessons are all about the rules, tests and limits that made that safe.Mon, 02 Nov 2026 00:00:00 GMThttps://iank.nl/knowledge/where-ai-belongs-in-your-software/https://iank.nl/knowledge/where-ai-belongs-in-your-software/Most useful AI features are one small model step inside an otherwise ordinary process. A practical guide for automation and reporting.Mon, 05 Oct 2026 00:00:00 GMThttps://iank.nl/knowledge/from-prompt-to-answer/https://iank.nl/knowledge/from-prompt-to-answer/A language model does one surprisingly simple thing, over and over. Here is the whole journey, without the mysticism.Mon, 07 Sep 2026 00:00:00 GMThttps://iank.nl/knowledge/software-that-keeps-working/https://iank.nl/knowledge/software-that-keeps-working/Every external system fails eventually, and usually at a bad moment. Seven habits that keep your software running when it does.Mon, 03 Aug 2026 00:00:00 GMT