You must have you ssh tool make X forward enabled. 2009年8月4日 mcoughlin <michael.w.coughlin@gmail.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 $DISPLAY > :0.0 >> And so it seems to be working fine. I then do: >> ssh -X computer #2 >> Warning: untrusted X11 forwarding setup failed: xauth key data not generated > Warning: No xauth data; using fake authentication data for X11 forwarding. >> And that is returned. >> ssh -Y computer #2 returns no errors. >> When I do > [mcoughlin@lisa ~]$ 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-tp24800981p24800981.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 >> -- 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