rhel5與rhel4不同的地方是,rhel5裡沒有/etc/X11/gdm/這個目錄,rhel5的gdm的配置文件放在這裡/usr/share/gdm/defaults.conf。
需要修改的地方如下:
修改/usr/share/gdm/defaults.conf文件,確保裡面有以下幾行:
Enable=true
DisplaysPerHost=10
Port=177
再修改/etc/inittab文件,把默認級別改為5,再加入以下行:
x:5:respawn:/usr/sbin/gdm
這樣修改後,root用戶還不能登錄,還要繼續修改/usr/share/gdm/defaults.conf文件,具體如下(紅色部分):
[security]
# Allow root to login. It makes sense to turn this off for kiosk use, when
# you want to minimize the possibility of break in.
AllowRoot=true
# Allow login as root via XDMCP. This value will be overridden and set to
# false if the /etc/default/login file exists and contains
# "CONSOLE=/dev/login", and set to true if the /etc/default/login file exists
# and contains any other value or no value for CONSOLE.
AllowRemoteRoot=true
如果防火牆打開了,使用以下命令打開177端口:
iptables -A INPUT -p udp --dport 177 -j ACCEPT
用gdm-binary -daemon 啟動, 177端口