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Occasional notes on infrastructure, Elixir, Linux / Open source / security, and startup life — since 2010.

2026

The Ash AI Tax

I kept noticing my AI agent burned more tokens on our Ash code than on plain Phoenix. So I measured it: ~2.6x more on Claude, ~1.9x on Codex — building the exact same feature.

Hello again, again!

Third time I have lost the server this site runs on. This time an AI rebuilt it while I made demands about font sizes. New custom theme, same Hugo.

2023

Hello again!

Resurrected from backup after the server aged like a fine glass of milk. New Hugo theme, new web server, new CI pipeline, and some oldies of Bob.

2016

In other news

Serduno: a news channel aggregator, recorder and remixer I built as an ffmpeg playground. 15+ live channels, a week of backlog, 3x3 matrix view.

2014

2010

Hello World!

The obligatory first post, from 2010, written for the curious one who wonders where this all started. Includes a picture of my dog.