Re: How to export X displays

["Akemi Yagi" <amyagi@xxxxxxxxx>]

On 10/9/07, techlists@xxxxxxxxxxx <techlists@xxxxxxxxxxx> wrote:
> I have a CentOS server at home and want to view the X display on a laptop running Ubuntu, and not having much success.
>
> Here's what's been tried so far:
>
> I ran this command on the CentOS server:
>
> export DISPLAY=192.168.0.18:0.0
>
> And ran this command on the Ubuntu laptop:
>
> xauth +192.168.0.2
>
> When I try to run, say, xclock on the Ubuntu laptop, this is the error message I'm getting:
>
> [root@centos-ws ~]# xclock
> Error: Can't open display: 192.168.0.18:0.0
>
> I'm assuming there's an important little detail I'm missing somewhere, but don't know what.
>
> Any suggestions?
>
> Paul

On the CentOS box, edit /etc/ssh/sshd_config to add the line:

X11Forwarding yes

Restart sshd by service sshd restart

>From the Ubuntu box, connect to CentOS by:

ssh -Y centosbox

(use -Y instead of -X, see man ssh for the reason)

There is no need to set  DISPLAY as pointed out earlier.

Akemi
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