DumbMonit
IntegrationenPrüfungen und Heartbeats
Heartbeat (push)
Your cron job or backup script calls DumbMonit; when it goes quiet, you are told.
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Was DumbMonit überwacht
The silent failure nobody notices: the nightly backup that stopped running after an update, the certificate renewal cron that lost its permissions, the Home Assistant automation that broke on a rename. Nothing complains, and you find out the day you need the backup. A heartbeat monitor (also called a *dead man's switch*, or a *push* monitor in Uptime Kuma) turns the logic around: DumbMonit contacts nothing. The job calls a secret URL each time it runs, and it is the absence of a call that raises the alert.
Typischer Einsatz. Cron job, backup script, automation that must call in
Beispiele
- Nightly backup script
- Cron job
- Home Assistant automation
- Certificate renewal
- Database dump
Wie die Verbindung läuft
Kein Konto nötig.
Zu öffnende Netzwerk-Ports
8080/TCPHeartbeat call (default port, 443 behind a proxy)
Einrichtungsschritte: Make the job call in
In the address, write a short label for the job, unique among your heartbeats: "nightly-backup".
Set the expected interval to the job's schedule ("24h" for a nightly job), or give a cron expression and a time zone, then save the monitor.
Copy the URL shown on the monitor page and call it at the end of the job.
curl -fsS -m 10 --retry 3 https://monit.example.com/api/push/<token>To time the job, call .../start before it, then .../success or .../fail after it, with its output as the request body. Send an exit code as ?exit_code=2 or as .../2.
To report a failure at once, append ?status=down&msg=... to the URL.
Hinweis. Call the URL at the end of the job, after the part that matters: a call at the top would report a success even when the job fails.