user@user-desktop:~$ sudo service jenkins status
● jenkins.service - LSB: Start Jenkins at boot time
   Loaded: loaded (/etc/init.d/jenkins; bad; vendor preset: enabled)
   Active: active (exited) since lø. 2017-03-11 19:00:34 CET; 22h ago
     Docs: man:systemd-sysv-generator(8)
  Process: 7102 ExecStop=/etc/init.d/jenkins stop (code=exited, status=0/SUCCESS)
  Process: 7139 ExecStart=/etc/init.d/jenkins start (code=exited, status=0/SUCCESS)
   Memory: 0B
      CPU: 0

mars 11 19:00:32 user-desktop systemd[1]: Starting LSB: Start Jenkins at boot time...
mars 11 19:00:32 user-desktop jenkins[7139]:  * Starting Jenkins Continuous Integration Server jenkins
mars 11 19:00:33 user-desktop su[7177]: Successful su for jenkins by root
mars 11 19:00:33 user-desktop su[7177]: + ??? root:jenkins
mars 11 19:00:33 user-desktop su[7177]: pam_unix(su:session): session opened for user jenkins by (uid=0)
mars 11 19:00:34 user-desktop jenkins[7139]:    ...done.
mars 11 19:00:34 user-desktop systemd[1]: Started LSB: Start Jenkins at boot time.

user@user-desktop:~$ netstat -tap
(Not all processes could be identified, non-owned process info
 will not be shown, you would have to be root to see it all.)
Active Internet connections (servers and established)
Proto Recv-Q Send-Q Local Address           Foreign Address         State       PID/Program name
tcp        0      0 user-desktop:domain    *:*                     LISTEN      -
tcp        0      0 *:ssh                   *:*                     LISTEN      -
tcp        0    240 192.168.1.221:ssh       192.168.1.34:49858      ESTABLISHED -
tcp6       0      0 [::]:ssh                [::]:*                  LISTEN      -

Mar 14 13:41:00 user-desktop systemd[1]: Created slice User Slice of jenkins.
Mar 14 13:41:00 user-desktop systemd[1]: Starting User Manager for UID 124...
Mar 14 13:41:01 user-desktop systemd[1]: Started Session c19 of user jenkins.
Mar 14 13:41:01 user-desktop systemd[23777]: Reached target Paths.
Mar 14 13:41:01 user-desktop systemd[23777]: Reached target Sockets.
Mar 14 13:41:01 user-desktop systemd[23777]: Reached target Timers.
Mar 14 13:41:01 user-desktop systemd[23777]: Reached target Basic System.
Mar 14 13:41:01 user-desktop systemd[23777]: Reached target Default.
Mar 14 13:41:01 user-desktop systemd[23777]: Startup finished in 80ms.
Mar 14 13:41:01 user-desktop systemd[1]: Started User Manager for UID 124.
Mar 14 13:41:02 user-desktop jenkins[23724]:    ...done.
Mar 14 13:41:02 user-desktop systemd[1]: Started LSB: Start Jenkins at boot time.
Mar 14 13:41:10 user-desktop jenkins: Running from: /usr/share/jenkins/jenkins.war
Mar 14 13:41:10 user-desktop jenkins:

cat /etc/sysconfig/jenkins | grep JENKINS_USER

chown -R jenkinsuser:jenkinsuser /var/lib/jenkins
chown -R jenkinsuser:jenkinsuser  /var/cache/jenkins
chown -R jenkinsuser:jenkinsuser  /var/log/jenkins