[Unit] Description=Post-boot sanity check for alpha.jayfield.org After=network-online.target named.service mariadb.service postfix@-.service dovecot.service fail2ban.service apache2.service docker.service rspamd.service Wants=network-online.target [Service] Type=oneshot ExecStartPre=/bin/sleep 10 ExecStart=/usr/local/sbin/sanity-check.sh RemainAfterExit=yes [Install] WantedBy=multi-user.target