1. Modify / etc / inittab, change to RunLvel to 5.
2. Modify the GDM profile, / etc / x11 / gdm / gdm.conf, set the enable option in [xdmcp] to 1, for example
........
[xdmcp]
Enable = 1
3. Modify the / etc / x11 / xdm / xdm-config file, annotate DISPLAYMANAGER.REQUESTPORT: 0, for example
! DisplayManager.Requestport: 0
4. Modify / etc / x11 / xdm / xaccess file, for example
.........
* #Ny host can get a login window
.........
* Chooser Broadcast #ny Indirect Host Can Get a Chooser
5. Modify the firewall configuration file / etc / sysconfig / ipchains, add the following in the file header,
#if you want to use gnome / ked, add the folowing line.
-A INPUT -P UDP -S 0/0 -D 0/0 177 -J ACCEPT
6. Restart Redhat Linux
