How to export X11 display to another PC?

[menno]

What I try to do is use another pc to display X11 .
To test that you should be able to do :

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export DISPLAY=localhost:0
xclock

This should display xclock on your screen .
I wondered that this only works in puppy 1.09 .
I tried the seam on 2.02/2.14/3.1/4.0 but the all said "cannot connect display :" .
I tried it also on differed machine's .

What I am doing wrong ?? Or I'm missing something ?

[jcoder24]

Try

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export DISPLAY=":0.0"

[menno]

DISPLAY=:0.0 works on all systems . That not the problem there 0.0 is the default display .

[menno]

Well in all later version of 1.09 they have put a '-nolisten tcp' command .
This only done for XORG in .xinitrc . This prefend X11 to listen to a tcp/ip network .

Also the host.allow only has local . So you should you local or global network into it . (example ALL: 10.0.0 )

I thing this is done for security reasons , but I ame not sure .