vysoky@z400-ivt106 ~ $ sudo systemctl status x11vnc.service
[sudo] heslo pro vysoky:
● x11vnc.service
   Loaded: loaded (/etc/systemd/system/x11vnc.service; bad; vendor preset: enabled)
   Active: inactive (dead) (Result: exit-code) since Fri 2018-01-12 01:08:01 CET; 1min 4s ago
  Process: 1527 ExecStart=/usr/bin/x11vnc -dontdisconnect -auth guess -forever -shared -noxdamage -repeat -rfbauth /etc/x11vnc/vncpwd -rfbport 5900 -bg -o /var/log/x11v

Jan 12 01:08:01 z400-ivt106 systemd[1]: Failed to start x11vnc.service.
Jan 12 01:08:01 z400-ivt106 systemd[1]: x11vnc.service: Unit entered failed state.
Jan 12 01:08:01 z400-ivt106 systemd[1]: x11vnc.service: Failed with result 'exit-code'.
Jan 12 01:08:01 z400-ivt106 systemd[1]: x11vnc.service: Service hold-off time over, scheduling restart.
Jan 12 01:08:01 z400-ivt106 systemd[1]: Stopped x11vnc.service.
Jan 12 01:08:01 z400-ivt106 systemd[1]: x11vnc.service: Start request repeated too quickly.
Jan 12 01:08:01 z400-ivt106 systemd[1]: Failed to start x11vnc.service.



vysoky@z400-ivt106 ~ $ sudo systemctl start x11vnc.service
vysoky@z400-ivt106 ~ $ sudo systemctl status x11vnc.service
● x11vnc.service
   Loaded: loaded (/etc/systemd/system/x11vnc.service; bad; vendor preset: enabled)
   Active: active (running) since Fri 2018-01-12 01:15:37 CET; 8s ago
  Process: 2692 ExecStart=/usr/bin/x11vnc -dontdisconnect -auth guess -forever -shared -noxdamage -repeat -rfbauth /etc/x11vnc/vncpwd -rfbport 5900 -bg -o /var/log/x11v
 Main PID: 2839 (x11vnc)
   CGroup: /system.slice/x11vnc.service
           └─2839 /usr/bin/x11vnc -dontdisconnect -auth guess -forever -shared -noxdamage -repeat -rfbauth /etc/x11vnc/vncpwd -rfbport 5900 -bg -o /var/log/x11vnc.log

Jan 12 01:15:33 z400-ivt106 systemd[1]: Starting x11vnc.service...
Jan 12 01:15:37 z400-ivt106 x11vnc[2692]: PORT=5900
Jan 12 01:15:37 z400-ivt106 systemd[1]: Started x11vnc.service.