On 04.06.2013 19:31, Les Mikesell wrote: > On rare occasions I want to run a remote X command (like 'meld' to > interactively merge changes in files) and normally 'ssh -Y > remote_host' from a terminal in an NX/freenx window that is acting as > my desktop to start and any X program subsequently started would open > in a new window via X-forwarding - at least when the target is a 5.x > host. I don't do it often enough to remember if it ever worked when > the remote side is 6.x, but today it is not setting the $DISPLAY > variable, so I get: > Error: Can't open display: > Using -vv shows it at least trying to go through the motions: > > debug2: x11_get_proto: /usr/bin/xauth list :1420.0 2>/dev/null > debug1: Requesting X11 forwarding with authentication spoofing. > debug2: channel 0: request x11-req confirm 0 > debug2: client_session2_setup: id 0 > debug2: channel 0: request pty-req confirm 1 > debug1: Sending environment. > debug1: Sending env LANG = en_US.UTF-8 > debug2: channel 0: request env confirm 0 > debug2: channel 0: request shell confirm 1 > debug2: fd 3 setting TCP_NODELAY > > But, $DISPLAY is not set to anything. What am I missing? Do you have the xorg-x11-xauth package installed on the remote system you ssh into? Regards, Dennis