[blfs-support] remote display

Bruce Dubbs bruce.dubbs at gmail.com
Thu Mar 10 13:07:22 PST 2016

Arnie Stender wrote:
> Hello,
>     Back when I did this for a living I used to remotely display all kinds
> of X applications to my local desktop. I always thought that functionality
> was built into the X-Server. I can't seem to make it happen. I have a
> number of workstations connected to a KVM and I have my good keyboard
> connected to them. Now I have this new BLFS workstation I am building and
> I want to run all the build processes on that system but use my normal
> desktop and keyboard. I have killed the firewall, run xhost +, and have
> been trying to run firefox and xterm from the BLFS system and display the
> windows on my other desktop. All I get is errors. For example when I run
> 'xterm -display stender3:0' I get: "xterm: Xt error: Can't open display:
> stender3:0". Once again either something has changed or I am missing some
> simple but key factor. Seems to me I used to remotely display an entire
> desktop but that may have been when all I had was an X-terminal. When I
> tried that I got display in use errors. If anyone can point me in the
> right direction I would appreciate it. Thanks in advance. I didn't say it
> before but I killed the firewall and ran xhost + on stender3 where I
> expect to see the xterm pop up. From what I can find in man pages and on
> the web it looks like it should still be possible.

I'm not sure about xhost +, but 'ssh remote-host' works fine if 
configuration is right (ForwardX11 yes on client, X11Forwarding yes and
XAuthLocation /opt/xorg/bin/xauth on server).

Another alternative is to use tigervnc.

   -- Bruce

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