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: >> 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 >>> -- View this message in context: http://www.nabble.com/%24DISPLAY-variable-empty-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