$ sudo systemctl daemon-reload
$ sudo service fetchmail stop
$ sudo service fetchmail start
Job for fetchmail.service failed because the control process exited with error code.
See "systemctl status fetchmail.service" and "journalctl -xe" for details.
$ systemctl status fetchmail.service
● fetchmail.service - LSB: init-Script for system wide fetchmail daemon
Loaded: loaded (/etc/init.d/fetchmail; generated)
Active: failed (Result: exit-code) since Wed 2022-12-21 01:03:56 CET; 9s ago
Docs: man:systemd-sysv-generator(8)
Process: 5320 ExecStart=/etc/init.d/fetchmail start (code=exited, status=1/FAILURE)
CPU: 40ms
$ sudo journalctl -xe
Dec 21 01:06:00 bidule.fr systemd[1]: Failed to start LSB: init-Script for system wide fetchmail daemon.
░░ Subject: A start job for unit fetchmail.service has failed
░░ Defined-By: systemd
░░ Support: https://www.debian.org/support
░░
░░ A start job for unit fetchmail.service has finished with a failure.
░░
░░ The job identifier is 2114 and the job result is failed.
Dec 21 01:06:00 bidule.fr sudo[5440]: pam_unix(sudo:session): session closed for user root
Dec 21 01:06:04 bidule.fr sudo[5458]: admin : TTY=pts/0 ; PWD=/home/admin ; USER=root ; COMMAND=/usr/bin/journalctl -xe
Dec 21 01:06:04 bidule.fr sudo[5458]: pam_unix(sudo:session): session opened for user root(uid=0) by admin(uid=1007)