Irregular writing on infrastructure, self-hosting, tools I build, and things I learn. No comments section, no newsletter — just words.
How a Keycloak plugin upgrade silently broke WebAuthn 2FA — and how rolling back one JAR fixed it instantly.
TPM-backed FDE on Ubuntu 26.04 — blocked by a GPU, a BIOS, SSSD, adsys, and a Rust rewrite of sudo.
How I deployed FQ-CoDel on a 200-user network, got it wrong, got it right, and then found something better.