#!/usr/bin/env sh systemctl --enable --now 'crond.service' journalctl -xefu 'crond.service' # Validate crontab files crontab -T '/etc/cron.d/prometheus-backup' crontab -T '/var/spool/cron/root' run-parts --list '/etc/cron.daily' run-parts --test '/etc/cron.hourly' run-parts '/etc/cron.weekly'