www.delorie.com/archives/browse.cgi   search  
Mail Archives: cygwin/2009/08/03/22:22:31

X-Recipient: archive-cygwin AT delorie DOT com
X-SWARE-Spam-Status: No, hits=-2.6 required=5.0 tests=BAYES_00,SPF_HELO_PASS,SPF_PASS
X-Spam-Check-By: sourceware.org
Message-ID: <24801331.post@talk.nabble.com>
Date: Mon, 3 Aug 2009 19:22:15 -0700 (PDT)
From: mcoughlin <michael DOT w DOT coughlin AT gmail DOT com>
To: cygwin AT cygwin DOT com
Subject: Re: $DISPLAY variable empty after SSHing
In-Reply-To: <f4d6f44b0908031901j39f80379ja8dd0807251e2f13@mail.gmail.com>
MIME-Version: 1.0
References: <24800981 DOT post AT talk DOT nabble DOT com> <f4d6f44b0908031901j39f80379ja8dd0807251e2f13 AT mail DOT gmail DOT com>
X-IsSubscribed: yes
Mailing-List: contact cygwin-help AT cygwin DOT com; run by ezmlm
List-Id: <cygwin.cygwin.com>
List-Unsubscribe: <mailto:cygwin-unsubscribe-archive-cygwin=delorie DOT com AT cygwin DOT com>
List-Subscribe: <mailto:cygwin-subscribe AT cygwin DOT com>
List-Archive: <http://sourceware.org/ml/cygwin/>
List-Post: <mailto:cygwin AT cygwin DOT com>
List-Help: <mailto:cygwin-help AT cygwin DOT com>, <http://sourceware.org/ml/#faqs>
Sender: cygwin-owner AT cygwin DOT com
Mail-Followup-To: cygwin AT cygwin DOT com
Delivered-To: mailing list cygwin AT cygwin DOT com

In /etc/ssh/ssh_config

ForwardX11Trusted yes

Is that what you mean? Because that is how it is set currently (that file is
on the "in between" computer).

Michael


Huang Bambo wrote:
>=20
> You must have you ssh tool make X forward enabled.
>=20
> 2009/8/4 mcoughlin <michael DOT w DOT coughlin AT gmail DOT com>:
>>
>> This may be confusing because I have to SSH twice to reach the computer I
>> work on.
>>
>> On my home computer, I begin by starting the X server. I run the command:
>>
>> bash-3.2$ echo $DISPLAY
>> :0.0
>>
>> And so it seems to be working fine. I then do:
>>
>> ssh -X computer #2
>>
>> Warning: untrusted X11 forwarding setup failed: xauth key data not
>> generated
>> Warning: No xauth data; using fake authentication data for X11
>> forwarding.
>>
>> And that is returned.
>>
>> ssh -Y computer #2 returns no errors.
>>
>> When I do
>> [mcoughlin AT lisa ~]$ echo $DISPLAY
>> localhost:12.0
>> is returned for logging in with either the -X or -Y method.
>>
>> When I finally log into my work computer with either the -X or -Y method,
>> -bash-3.2$ echo $DISPLAY
>>
>> returns nothing. And so when I attempt to use octave to plot,
>> octave:2> plot(x)
>>
>> gnuplot: unable to open display ''
>> gnuplot: X11 aborted.
>>
>> Obviously nothing happens.
>>
>> Can someone give me a clue?
>>
>> Thank you,
>> Michael
>>
>> --
>> View this message in context:
>> http://www.nabble.com/%24DISPLAY-variable-empty-after-SSHing-tp24800981p=
24800981.html
>> Sent from the Cygwin list mailing list archive at Nabble.com.
>>
>>
>> --
>> Problem reports: =C2=A0 =C2=A0 =C2=A0 http://cygwin.com/problems.html
>> FAQ: =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 http=
://cygwin.com/faq/
>> Documentation: =C2=A0 =C2=A0 =C2=A0 =C2=A0 http://cygwin.com/docs.html
>> Unsubscribe info: =C2=A0 =C2=A0 =C2=A0http://cygwin.com/ml/#unsubscribe-=
simple
>>
>>
>=20
> --
> Problem reports:       http://cygwin.com/problems.html
> FAQ:                   http://cygwin.com/faq/
> Documentation:         http://cygwin.com/docs.html
> Unsubscribe info:      http://cygwin.com/ml/#unsubscribe-simple
>=20
>=20
>=20

--=20
View this message in context: http://www.nabble.com/%24DISPLAY-variable-emp=
ty-after-SSHing-tp24800981p24801331.html
Sent from the Cygwin list mailing list archive at Nabble.com.


--
Problem reports:       http://cygwin.com/problems.html
FAQ:                   http://cygwin.com/faq/
Documentation:         http://cygwin.com/docs.html
Unsubscribe info:      http://cygwin.com/ml/#unsubscribe-simple

- Raw text -


  webmaster     delorie software   privacy  
  Copyright © 2019   by DJ Delorie     Updated Jul 2019