A few things to check for: 1. Is X forwarding allowed by the remote host?
2. Before you ssh out of localhost, is there a DISPLAY environment variable set to a X session that you own? (You need to tell ssh client on localhost where to forward X to after all...) Hope this helps. On Sun, 06 Apr 2003 at 04:50:39PM +0200, First Last wrote: > > I'm having a problem using X forwarding with ssh. > > I'm logged in on machine orion and I want to ssh to machine ursa, > then > use orion's X server from ursa. > > i.e. > [EMAIL PROTECTED]:~$ ssh -X ursa > [ ursa asks for password, displays startup message] > [EMAIL PROTECTED]: ~$ xterm & > At this point, nothiing happens for minutes, then the > following message appears: > > xterm Xt error: Can't open display: localhost:10.0 > > Have I installed the xbase-clients package with includes xauth? > yes. > (it's on both machines). > > Have I put X11Forwarding yes in ursa's /etc/ssh/sshd_config? yes. > > Have I put into orion's /etc/ssh/ssh_config the following: > Host * > ForwardX11 yes > > - yes. > > Is orion's X server listening to the socket? Yes, > and in fact if I don't try to do X forwarding > but instead set DISPLAY=orion:0.0 on ursa, > everything works. > > Have I run ssh -vvv -X ursa? Yes, the output is voluminous, the > last > few lines before the login message are: > debug3: tty_make_modes: 93 0 > debug2: x11_get_proto /usr/bin/X11/xauth list unix:10.0 2>/dev/null > debug1: Requesting X11 forwarding with authentication spoofing. > debug1: channel request 0: x11-req > debug1: channel request 0: shell > debug1: fd 3 setting TCP_NODELAY > debug2: callback done > debug1: channel 0: open confirm rwindow 0 rmax 32768 > debug2: channel 0: rcvd adjust 131072 > > I'm running woody, 3.0r0, on both machines. > > Everything works when I try it from orion to orion, > i.e. > > [EMAIL PROTECTED]:~$ ssh -X orion > then after the login sequence, xterm & works and > DISPLAY is localhost:11.0 so forwarding from orion to orion > works. (I can't do the same test on ursa because ursa > has no display and no X server.) This suggests to > me that everything is correct on orion. > > Do I need to manually copy .Xauthority data between > the two machines? I thought that was done > automatically? > > Any constructive suggestions? > > > _________________________________________________________________ > Protect your PC - get McAfee.com VirusScan Online > http://clinic.mcafee.com/clinic/ibuy/campaign.asp?cid=3963 > > > -- Phil PGP/GPG Key: http://www.zionlth.org/~plhofmei/ wget -O - http://www.zionlth.org/~plhofmei/key.txt | gpg --import -- Excuse #111: Because of network lag due to too many people playing deathmatch -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]
