nginx.service - A high performance web server and a reverse proxy server
   Loaded: loaded (/lib/systemd/system/nginx.service; enabled)
   Active: active (running) (Result: exit-code) since Tue 2016-05-03 15:50:35 EDT; 21h ago
  Process: 2498 ExecStop=/sbin/start-stop-daemon --quiet --stop --retry QUIT/5 --pidfile /run/nginx.pid (code=exited, status=0/SUCCESS)
  Process: 6623 ExecReload=/usr/sbin/nginx -g daemon on; master_process on; -s reload (code=exited, status=1/FAILURE)
  Process: 2501 ExecStart=/usr/sbin/nginx -g daemon on; master_process on; (code=exited, status=0/SUCCESS)
  Process: 2500 ExecStartPre=/usr/sbin/nginx -t -q -g daemon on; master_process on; (code=exited, status=0/SUCCESS)
 Main PID: 2504 (nginx)
   CGroup: /system.slice/nginx.service
           ├─2504 nginx: master process /usr/sbin/nginx -g daemon on; master_process on;
           ├─2505 nginx: worker process
           ├─2506 nginx: worker process
           ├─2507 nginx: worker process
           └─2508 nginx: worker process