My case: # Go to workstation r...@laptop:~$ ssh -X workstation
# Check for $DISPLAY r...@workstation:~$ env | grep DISPLAY || echo "No display found" No display found # Check log workstation:~$ sudo -s workstation:~# grep X11 /var/log/auth.log Sep 23 16:33:10 workstation sshd[14105]: error: Failed to allocate internet-domain X11 display socket. # Yes, it is! # Check ipv6 suppport r...@workstation:~# sysctl net.ipv6.conf.all.disable_ipv6 net.ipv6.conf.all.disable_ipv6 = 1 # It's the answer. # Now we must disable ipv6 support in sshd too: r...@workstation:~# sed -i 's|^exec /usr/sbin/sshd$|exec /usr/sbin/sshd -4|g' /etc/init/ssh.conf r...@workstation:~# service ssh restart r...@workstation:~# exit r...@workstation:~$ exit # Check changes r...@laptop:~$ ssh -X workstation # Check for $DISPLAY r...@workstation:~$ env | grep DISPLAY || echo "No display found" DISPLAY=localhost:10.0 Done. -- X11 forwarding via SSH does not work after upgrade to karmic https://bugs.launchpad.net/bugs/434799 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
