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: Mon, 3 Feb 2003 21:27:16 -0600
On Monday, February 3, 2003, at 02:30 PM, Joseph Hartvigsen wrote:
I am trying to run x11 on an iMac (500MHz PPC G3, 10.2.3) which is
current on the software updater. I can run local x11 clients fine, but
have
trouble running a client on another machine and having it display on
the iMac x11server. I've run xhost + or xhost remotehostname on the
iMac, then on the remote (HPUX) machine shell window done a
setenv DISPLAY imac-hostname:0.0 (in csh). However, when I try to
launch any client program on the HPUX shell which I've set DISPLAY
to the mac, it waits several minutes and quits out with the following:
Error: Can't open display: imac-hostname:0.0
Error: Couldn't find per display information
It may be the firewall. Do you have it enabled? X uses at least port
6000. I don't know if you have to open up anything else. If you use
xhost + and don't block port 6000, people from outside can do bad
things.
Most people seem to tunnel X-windows through ssh now; it's a lot more
secure, and convenient to boot. I had to change /etc/ssh_config and
/etc/sshd_config to set X11Forwarding to yes. (Just doing ssh -X
user@host didn't work for me: I had to add X11Forwarding in
/etc/ssh_config even though sshd was already set to allow it.)
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