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Date: | Tue, 4 Aug 2009 10:01:59 +0800 |
Message-ID: | <f4d6f44b0908031901j39f80379ja8dd0807251e2f13@mail.gmail.com> |
Subject: | Re: $DISPLAY variable empty after SSHing |
From: | Huang Bambo <bambo DOT huang AT gmail DOT com> |
To: | cygwin AT cygwin DOT com |
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You must have you ssh tool make X forward enabled. 2009/8/4 mcoughlin <michael DOT w DOT coughlin AT gmail DOT com>: > > This may be confusing because I have to SSH twice to reach the computer I > work on. > > On my home computer, I begin by starting the X server. I run the command: > > bash-3.2$ echo $DISPLAY > :0.0 > > And so it seems to be working fine. I then do: > > ssh -X computer #2 > > Warning: untrusted X11 forwarding setup failed: xauth key data not genera= ted > Warning: No xauth data; using fake authentication data for X11 forwarding. > > And that is returned. > > ssh -Y computer #2 returns no errors. > > When I do > [mcoughlin AT lisa ~]$ 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-e= mpty-after-SSHing-tp24800981p24800981.html > Sent from the Cygwin list mailing list archive at Nabble.com. > > > -- > Problem reports: =A0 =A0 =A0 http://cygwin.com/problems.html > FAQ: =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 http://cygwin.com/faq/ > Documentation: =A0 =A0 =A0 =A0 http://cygwin.com/docs.html > Unsubscribe info: =A0 =A0 =A0http://cygwin.com/ml/#unsubscribe-simple > > -- 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
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