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Wie Is Wie: Watching Two AIs Debug a Network I Broke on Purpose
April 2026 — on breaking things on purpose to see how AI debugs them
There is a children’s game in the Netherlands called Wie is Wie — the Dutch version of Guess Who. You sit across from your opponent with a board of cartoon faces. You take turns asking yes/no questions. The goal is not to gather information in every possible category. The goal is to flip over as many faces as possible with a single question.
One Postfix to route them all: self-hosted multi-tenant mail delivery
January 2026 — on getting email routing right when you have more than one domain
Most self-hosted email guides start with a single domain. Install Mailu or Mailcow, point MX at your server, done. That works well until you have multiple domains that need to receive mail, or you’re providing mail routing for several distinct tenants, or you want a single SMTP gateway that routes inbound mail to different downstream servers based on recipient domain.
MikroTik is a real router: automated backups and routing streaming traffic properly
December 2023 — on why your home router deserves the same attention as everything else in your stack
Most home routers are appliances. You plug them in, log into a web UI once to set a password, and forget they exist until they stop working. The firmware update prompt appears. You dismiss it. Repeat for several years until the device dies. Mine don’t.
The home network shelf: MikroTik, TP-Link, and a 10-inch rack that fits in a cupboard
April 2023 — on making the network visible, organised, and not an embarrassment
Every home network starts the same way: a router from the ISP, a switch from a supermarket, a tangle of cables behind the television. It works. It’s not organised. It grows by accretion. At some point it becomes something you hide rather than show, and you stop understanding what’s actually connected to what.