user1@serverabc.uk:~$ service monit start
==== AUTHENTICATING FOR org.freedesktop.systemd1.manage-units ===
Authentication is required to start 'monit.service'.
Authenticating as: root
Password:

polkit-agent-helper-1: pam_authenticate failed: Authentication failure
==== AUTHENTICATION FAILED ===
Failed to start monit.service: Access denied
See system logs and 'systemctl status monit.service' for details.
user1@serverabc.uk:~$
user1@serverabc.uk:~$ systemctl status monit.service
* monit.service - LSB: service and resource monitoring daemon
   Loaded: loaded (/etc/init.d/monit; bad; vendor preset: enabled)
   Active: active (exited) since Fri 2017-06-30 11:30:51 GMT; 6h ago
     Docs: man:systemd-sysv-generator(8)

[monit service]
Identity=unix-user:user1
Action=org.freedesktop.systemd1.manage-units
ResultAny=yes
ResultInactive=yes
ResultActive=yes