The XORG process is for the xwindows desktop. If you dont need it, assume maybe you are only using terminal to access this box and not using the GUI, you can stop/start/restart it with these commands
To Stop X.Org Server:
sudo service lightdm stop
To Start X.Org Server:
startx
(OR)
sudo service lightdm start
To Restart X.Org Server:
sudo service lightdm restart
