The backup server sleeps most of the time, so the check was UNKNOWN.
check_by_sshmon now runs an optional wake command first; the freshness
check uses the wol-sleeper wake command, runs every 24h and retries
after 6h so a failure does not wake the server every 30s. nagios on
the icinga node may run the waker command as wol.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01RywMtsL8qXG7GDY3MHq9Uh
