[KLUG Members] can't open display for remote X app

[Stuart Gillis]

On your Suse box, edit /etc/ssh/ssh_config

Change :

#   ForwardX11 no
    to
ForwardX11 yes

That should fix it.

Stu


On 12/15/05, John Pesce <pescej at sprl.db.erau.edu> wrote:
> Hi,
>
> I've encountered a wierd and unexpected X error. I guess I've been ssh
> -X tunneling for so long I didn't notice until now.
>
> My older workstations that still run RH9 work as expected. I can xhost
> nextbox, telnet or rsh from it into nextbox, set my DISPLAY to other:0,
> and run xeyes.
>
> All my other newer boxes are running Suse 9.3 or RHE have ssh and not
> telnet or rsh. We just got a new HP unix box installed for a special
> purpose app and it does not have ssh.
> On my RHE box I xhost +, and then telnet to the HP, setenv DISPLAY
> RHE:0.0 and try and run the app.
> I get Error: Can't open display: RHEIP:0
>
> I thought this was strange so I went to a Suse 9.3 box and tried to do
> the same thing with the same error. Then I tried running xeyes on the
> Suse 9.3 box and displaying it on another Suse 9.3 box, same error.
>
> I don't have workstation firewalls. What gives?
> Did X add some new feature to disable xhost +?
>
> I can xhost + on the older RH9 box and telnet to the HP and remote
> display ok.
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