yum install vim-common xorg-* mesa-* caja -y
# Rename the existing .Xauthority file by running the following command
mv /root/.Xauthority /root/old.Xauthority 

# xauth with complain unless ~/.Xauthority exists
touch /root/.Xauthority

# only this one key is needed for X11 over SSH 
xauth generate :0 . trusted 

# generate our own key, xauth requires 128 bit hex encoding
xauth add ${HOST}:0 . $(xxd -l 16 -p /dev/urandom)

# To view a listing of the .Xauthority file, enter the following 
xauth list