sudo yum install xorg-x11-xauth
sudo yum install xterm
vi /etc/ssh/sshd_config
	# AddressFamily any
	AddressFamily inet
	...
	AllowTcpForwarding yes
	X11Forwarding yes
	X11DisplayOffset 10
	X11UseLocalhost yes
	...
:wq  << SAVE
service sshd restart

xauth list
xauth list | grep unix`echo $DISPLAY | cut -c10-12` > /tmp/xauth
echo $DISPLAY 
localhost:10.0