Fwolf's Blog » xdmcp - Fwolf's Blog http://www.fwolf.com/blog 随心·随意·随缘·努力～ Wed, 07 Jul 2010 07:07:52 +0000 en hourly 1 http://wordpress.org/?v=3.0 XDMCP迷思 http://www.fwolf.com/blog/post/376 http://www.fwolf.com/blog/post/376#comments Sun, 16 Dec 2007 03:57:37 +0000 Fwolf http://www.fwolf.com/blog/post/376 Remote Login via XDMCP…，能看到主机，连接以后就是错误： There already appears to be an X server running on display :2. Should another display number tried? Answering no will cause GDM to attempt starting the server on :2 again. (You can change console by pressing Ctrl-Alt plus a function key, such as [...]]]> 我相信XDMCP是个好东西，基于X Windows伟大的C/S架构，速度、易用性都很强，但是，我的Gutsy主机、Gutsy客户端怎么就个小问题呢？

主机上的/etc/gdm/gdm.conf中[xdmcp]组中开启设置：

[xdmcp]
Enable=true

至于下面这两个选项我看是否设置没什么影响：

RemoteGreeter=/usr/lib/gdm/gdmlogin
DisallowTCP=false

设置好以后，用客户端，在登录界面Actions->Remote Login via XDMCP…，能看到主机，连接以后就是错误：

There already appears to be an X server running on display :2. Should another display number tried? Answering no will cause GDM to attempt starting the server on :2 again. (You can change console by pressing Ctrl-Alt plus a function key, such as Ctrl-Atl-F7 to go to console 7. X servers usually run on consoles 7 and higher.

不管选Yes还是No，最终都是重新回到GDM登录界面。

但是，但是啊，不管是在主机本机，还是在客户端，居然都可以用命令连接上：

X :1 -query host_machine_name

真是奇怪。另外如果一处远程桌面关闭，也会同时关闭使用相同 :? 标号的桌面，用的时候尽量错开。

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