"There is one problem here though. In the past, if you ran into a real graphics foul-up, power Linux users have long used the key-combination "Control-Alt-Backspace" to kill and restart X.server. Unless you manually set this on in the x.org file, that key combo no longer works. That said, I haven't had any need to re-start X.server in Fedora 11. Still, I went ahead and reset it to the old behavior because I'm so used to using it. "
但是,安装某些gnome应用程序需要重启x-server。下面是激活快捷键的方法
1 gnome桌面下,system>Preference>keyboard.
2 选择Layouts标签,进入Layout Options...
3 在列表中选择Key sequence to kill the X server下拉列表,勾上那个组合键的选项。