Linux, Python, and small systems that stay up.

I run a handful of boxes, automate the boring parts, and write things down so I don't relearn them every six months. This is where the notes live.

Mostly: shell, systemd, Python tooling, and keeping services quietly reliable.

Recent writing

• 2026-05-18 Backpressure in asyncio without tears

  Bounded queues, Semaphore, and why your scraper eats all the RAM.

• 2026-04-02 Stop reaching for cron: systemd timers in practice

  Calendar events, persistence across reboots, and per-unit logging you can actually grep.

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