$ sudo systemctl status cockpit
● cockpit.service - Cockpit Web Server
   Loaded: loaded (/usr/lib/systemd/system/cockpit.service; static; vendor preset: disabled)
   Active: active (running) since Mon 2015-09-28 05:10:35 EDT; 5min ago
     Docs: man:cockpit-ws(8)
  Process: 1745 ExecStartPre=/usr/sbin/remotectl certificate --ensure --user=root --group=cockpit-ws (code=exited, status=0/SUCCESS)
 Main PID: 1748 (cockpit-ws)
   CGroup: /system.slice/cockpit.service
           └─1748 /usr/libexec/cockpit-ws

Sep 28 05:16:04 myserver.com cockpit-session[1812]: pam_limits(cockpit:session): Could not set limit for 'nofile': Operation not permitted
Sep 28 05:16:04 myserver.com cockpit-ws[1748]: cockpit-session: couldn't open session: myuseraccount: Permission denied