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beatzaplentyandClaude Sonnet 5 2904522138 Fix beszel-agent losing its hub-pairing fingerprint on every restart ...

services.beszel.agent runs under DynamicUser=true with ProtectSystem =
"strict" and no StateDirectory, so /var/lib/beszel-agent -- where the
agent persists the fingerprint that locks its hub pairing to this
machine (github.com/henrygd/beszel/discussions/1542) -- was never
actually writable. Every restart silently failed to persist it and
regenerated a fresh one in memory, permanently desyncing from whatever
the hub had on record after the very first successful pairing. Affects
every host importing modules/beszel/enable-agent.nix (nix-cache, server),
not just full container rebuilds.

Found via nix-cache showing "fingerprint mismatch" after being rebuilt
post-outage; confirmed server was silently exposed to the same bug, just
hadn't restarted since its first pairing. Fixed by declaring
StateDirectory so systemd gives the dynamic user real persistent storage.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>

2026-07-20 15:59:24 +10:00

..

enable-agent.nix

Fix beszel-agent losing its hub-pairing fingerprint on every restart

2026-07-20 15:59:24 +10:00

host-token.nix

Add parameterized beszel host-token helper module

2026-07-20 02:57:55 +10:00