Re: X11 Error: Couldn't find per display information
Re: X11 Error: Couldn't find per display information
- Subject: Re: X11 Error: Couldn't find per display information
- From: Randy Ford <email@hidden>
- Date: Tue, 4 Feb 2003 13:37:03 -0600
On Tuesday, February 4, 2003, at 12:41 PM, Joseph Hartvigsen wrote:
William and Randy - thanks for the help. The DNS resolves the
various hostnames ok, so that wasn't it. I do have the firewall
on (System Preferences > sharing ). I created an x11 entry to allow
port 6000 access, (using xhost remote_hostname rather than
xhost + ) and it solved the problem. I also tried the ssh forwarding
as Randy suggested. I turned off the x11 port 6000 in the
firewall, then:
su to root
edited /etc/ssh_config and changed
# ForwardX11 no
to
Forward X11 yes
edited /etc/sshd_config and changed
# X11Forwarding no
to
X11Forwarding yes
reboot the mac
start x11
xhost remote_hostname
ssh -X remote_hostname
setenv DISPLAY mac_hostname
xterm
Then I get the same error. Somehow I don't have the x11 forwarding
setup correctly. The allowing 6000 through the firewall works, but
I'd like to figure out the ssh approach so I could do this from off
site
since I can't (wouldn't) change the company firewall to open port
6000.
Don't change the DISPLAY variable before launching the xterm. Ssh sets
up a display proxy on the machine and sets the DISPLAY variable to it.
When you change the DISPLAY back, you are no longer trying to use the
ssh proxy, but instead are again trying to connect directly back to the
server.
randy.
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