cron #

References #

• ArchWiki - cron
• Crontab - Quck Reference
• crontab guru - “The quick and simple editor for cron schedule expressions…”
• Cron cheatsheet

Monitoring cronjobs #

Monitoring cronjobs with Prometheus …

• Monitor cron jobs with Prometheus, Grafana and Node exporter - Example use-case that pipes cronjob status to a Bash script that then writes to a Prometheus textfile collector.

Crontab #

Print crontabs for all users:

find /var/spool/cron -type f -printf 'USER: %u \n' -exec cat {} \;

[root@rocky8 ~]# find /var/spool/cron -type f -printf 'USER: %u \n' -exec cat {} \;
USER: root 
* * * * * sleep 2
USER: vagrant 
* * * * * sleep 3