Dear Paul,
Thank you very much! I can already use the DISPLAY variable when I modify "#DisallowTCP=true" to "DisallowTCP=false" on the gdm config file(gdm.conf).
There are several OS on our local network, I think I will use ssh before long when I install ssh to all OS.
Best Regards!
zheng.yang
-----原始邮件-----
发件人: fedora-list-bounces@xxxxxxxxxx [mailto:fedora-list-bounces@xxxxxxxxxx]代表; Paul Howarth
发送时间: 2006年1月5日 17:17
收件人: For users of Fedora Core releases
主题: Re: remote DISPLAY error for fedora core 4
On Thu, 2006-01-05 at 17:07 +0800, Zheng, Yang wrote:
> Hi,
>
> I want to rlogin the master server from the local computer on FC4 to run some visible program. but when I set the DISPLAY variable to localhostname:0.0, It always fails with this message:
>
> gugen049{Z.Yang}% rlogin gzserver -l yzz
> gzserver{Z.Yang}% setenv DISPLAY gugen049:0.0
> gzserver{Z.Yang}% /usr/lib/lprgs/zy/get.sol
> gzserver{Z.Yang}% ***********ERROR 04Jan2006.104201.619 GET 16583 08.02c8(
> Process could not connect to X windows display ...
> The reason for this may be that the DISPLAY environment
> variable is not set correctly or that the X server
> does not permit a connection.
> Status raised : module - get_main.c, line - 803
> ***********ERROR 04Jan2006.104201.619 GET 16583 08.02c8(52) Linux
> fatal error (error = 31003)
>
> I would really appreciate a response.
It would be much better if you could use ssh instead of rlogin. Not only
is the protocol much more secure, it supports tunnelling of X without
you having to mess about with setting $DISPLAY, running xhost etc.
gugen049{Z.Yang}% ssh -X gzserver -l yzz
gzserver{Z.Yang}% /usr/lib/lprgs/zy/get.sol
If you really have to use rlogin, you'll probably need to configure X on
gugen049 so that it listens for TCP connections over the network, which
I don't think it does by default.
Paul.
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