[root@pre-prod-poc-1 ~]# ambari-server start
Using python /usr/bin/python2
Starting ambari-server
Ambari Server running with administrator privileges.
Organizing resource files at /var/lib/ambari-server/resources...
WARNING: setpgid(21020, 0) failed - [Errno 13] Permission denied
Server PID at: /var/run/ambari-server/ambari-server.pid
Server out at: /var/log/ambari-server/ambari-server.out
Server log at: /var/log/ambari-server/ambari-server.log
Waiting for server start............... .....
Ambari Server 'start' completed successfully.