My notes on figuring things out — somewhere between enterprise clouds, automation, and small things built to find out what happens.https://notes.ciechanowi.cz/enhttps://notes.ciechanowi.cz/notes/maclock-clawd/https://notes.ciechanowi.cz/notes/maclock-clawd/Maclock Clawd: an open-source desk companion that reacts to Claude Code, Codex and OMP hooks—thinking, waiting, and celebrating from a tiny Raspberry Pi screen.Fri, 30 Oct 2026 00:00:00 GMThttps://notes.ciechanowi.cz/notes/when-dns-caching-becomes-a-risk/https://notes.ciechanowi.cz/notes/when-dns-caching-becomes-a-risk/How DNS forwarding, private hosted zones, and negative caching can turn a transient failure into an extended application outage.Sun, 25 Oct 2026 00:00:00 GMThttps://notes.ciechanowi.cz/notes/pfsense-new-relic-observability/https://notes.ciechanowi.cz/notes/pfsense-new-relic-observability/New Relic finally runs on my FreeBSD router. Now I can monitor per-device traffic, write NRQL queries and build dashboards and alerts as code.Sat, 24 Oct 2026 00:00:00 GMThttps://notes.ciechanowi.cz/notes/a-webcam-made-of-lego/https://notes.ciechanowi.cz/notes/a-webcam-made-of-lego/An old Creative USB webcam, an ESP32, a tiny servo, and an excellent excuse to play.Sun, 18 Oct 2026 00:00:00 GMThttps://notes.ciechanowi.cz/notes/a-blog-i-dont-have-to-babysit/https://notes.ciechanowi.cz/notes/a-blog-i-dont-have-to-babysit/Astro builds it, GitHub Actions checks and ships it, GitHub Pages serves it, and Cloudflare handles DNS. A small blog, everything as code.Sat, 17 Oct 2026 00:00:00 GMThttps://notes.ciechanowi.cz/notes/finding-the-missing-gigabit-in-my-pfsense-firewall/https://notes.ciechanowi.cz/notes/finding-the-missing-gigabit-in-my-pfsense-firewall/How packet queues, monitoring overhead, and a CPU power policy helped me recover the 2 Gbps my Orange connection already offered.Sat, 17 Oct 2026 00:00:00 GMT