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How do you handle cron jobs that silently stop working? (lemmy.world)
submitted 3 months ago by to c/programming@programming.dev
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Had a backup script running via cron for months. Worked fine until it didn't — turns out the disk filled up three weeks ago and the job started failing silently. Nobody noticed until we actually needed a restore.

The obvious answer is "check your logs" but let's be honest, nobody's reading cron logs daily for 15 different scheduled tasks across 4 servers.

What's your setup for making sure crons are actually completing? Do you just grep logs periodically, or do you have something more structured? Curious how others handle this without turning it into a whole project.

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[–] 1 point 2 months ago

Graylog is excellent for rummaging about in log files. Client side you have to install rsyslog and one universal config file to forward all the logs to a central server. Gralog server-side has a GUI where you can set up email alerts by basically setting up greps on stuff from every log file on your whole network. Some advanced functions of graylog are behind a paywall but I have never needed them.

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