`root@example:/www/server/nginx# service fail2ban status
- fail2ban.service - Fail2Ban Service
Loaded: loaded (/lib/systemd/system/fail2ban.service; enabled; vendor preset: enabled)
Active: failed (Result: exit-code) since Fri 2020-04-10 06:20:43 CEST; 13ms ago
Docs: man:fail2ban(1)
Process: 3354 ExecStart=/usr/bin/fail2ban-server -xf start (code=exited, status=203/EXEC)
Process: 3353 ExecStartPre=/bin/mkdir -p /var/run/fail2ban (code=exited, status=0/SUCCESS)
Main PID: 3354 (code=exited, status=203/EXEC)
Apr 10 06:20:43 example systemd[1]: fail2ban.service: Service hold-off time over, scheduling restart.
Apr 10 06:20:43 example systemd[1]: fail2ban.service: Scheduled restart job, restart counter is at 5.
Apr 10 06:20:43 example systemd[1]: Stopped Fail2Ban Service.
Apr 10 06:20:43 example systemd[1]: fail2ban.service: Start request repeated too quickly.
Apr 10 06:20:43 example systemd[1]: fail2ban.service: Failed with result 'exit-code'.
Apr 10 06:20:43 example systemd[1]: Failed to start Fail2Ban Service.
`
