root@dm920:~$ systemctl enable busybox-cron && systemctl start busybox-cron
busybox-cron.service is not a native service, redirecting to systemd-sysv-instal l.
Executing: /lib/systemd/systemd-sysv-install enable busybox-cron
System startup links for /etc/init.d/busybox-cron already exist.
Job for busybox-cron.service failed because the control process exited with erro r code.
See "systemctl status busybox-cron.service" and "journalctl -xe" for details.

root@dm920:~$ systemctl enable busybox-cron && systemctl start busybox-cron
busybox-cron.service is not a native service, redirecting to systemd-sysv-instal l.
Executing: /lib/systemd/systemd-sysv-install enable busybox-cron
System startup links for /etc/init.d/busybox-cron already exist.
Job for busybox-cron.service failed because the control process exited with erro r code.
See "systemctl status busybox-cron.service" and "journalctl -xe" for details.
root@dm920:~$ systemctl status busybox-cron
● busybox-cron.service
Loaded: loaded (/etc/init.d/busybox-cron; generated; vendor preset: enabled)
Active: failed (Result: exit-code) since Fr 2023-06-02 17:08:14 CEST; 14s ago
Docs: man:systemd-sysv-generator(8)
Process: 16538 ExecStart=/etc/init.d/busybox-cron start (code=exited, status=1

Jun 02 17:08:14 dm920 systemd[1]: Starting busybox-cron.service...
Jun 02 17:08:14 dm920 busybox-cron[16538]: starting Busybox Periodic Command Sch
Jun 02 17:08:14 dm920 busybox-cron[16538]: 267
Jun 02 17:08:14 dm920 systemd[1]: busybox-cron.service: Control process exited,
Jun 02 17:08:14 dm920 systemd[1]: Failed to start busybox-cron.service.
Jun 02 17:08:14 dm920 systemd[1]: busybox-cron.service: Unit entered failed stat
Jun 02 17:08:14 dm920 systemd[1]: busybox-cron.service: Failed with result 'exit
lines 1-13/13 (END)
● busybox-cron.service
Loaded: loaded (/etc/init.d/busybox-cron; generated; vendor preset: enabled)
Active: failed (Result: exit-code) since Fr 2023-06-02 17:08:14 CEST; 14s ago
Docs: man:systemd-sysv-generator(8)
Process: 16538 ExecStart=/etc/init.d/busybox-cron start (code=exited, status=1/FAILURE)

Jun 02 17:08:14 dm920 systemd[1]: Starting busybox-cron.service...
Jun 02 17:08:14 dm920 busybox-cron[16538]: starting Busybox Periodic Command Scheduler: crond... /usr/sbin/crond is already
Jun 02 17:08:14 dm920 busybox-cron[16538]: 267
Jun 02 17:08:14 dm920 systemd[1]: busybox-cron.service: Control process exited, code=exited status=1
Jun 02 17:08:14 dm920 systemd[1]: Failed to start busybox-cron.service.
Jun 02 17:08:14 dm920 systemd[1]: busybox-cron.service: Unit entered failed state.
Jun 02 17:08:14 dm920 systemd[1]: busybox-cron.service: Failed with result 'exit-code'.