First modify the/etc/gdm/custom.conf note that you may appear when you open with root permission, as shown in the figure
To be added to it or not remotely, you need to set up a port and set up the available editing results, and Save:
Check to see if XDM is installed, if yum-y install is not installed XDM the following figure
Edit file/etc/x11/xdm/xaccess, remove the words before the red box
Edit file/etc/x11/xdm/xdm-config, in front of the box line! (Comment it out
Modify/ETC/KDE/KDM/KDMRC (not modified if no)
Turn off the firewall, in the root of the terminal input NTSYSV will iptables front of the "*" removed
Linux configuration is done, the following installation Xmanager, about Xmanager installed, as shown in the following figure
Click X-browser in the blank to click on the new host, if the connection is successful will appear below the interface.