cat /etc/xinetd.d/x11vnc 
service x11vnc
{
  type = UNLISTED
  disable = no
  socket_type = stream
  protocol = tcp
  wait = no
  user = root
  server = /usr/bin/x11vnc
  server_args = -inetd -o /var/log/x11vnc.log -display :0 -forever -bg -rfbauth /etc/x11vnc.pass -shared -enablehttpproxy -forever -nolookup -auth /var/run/lightdm/root/:0
  port = 5900
  #  flags = IPv6
}