Gökhan Mumcu wrote:
Hi,
I am a new REDHAT 8.0 user and I have a problem with my X. I want another Unix machine to launch my display for using some installed programs there. (like MATLAB).
First I used the xhost +(the host name). Then logged into that machine, directed its Xserver to my display. I expected that everything will be ok, however I got this error:
-Error: Can't open display:
Simplest solution is to use ssh to connect to the remote machine.
port 6000, I checked it with the "nmap -sS localhost" command. (State is open) Also Xserver is configured for access control list, because when I type "xhost" the message is:
access control enabled, only authorized clients can connect
Is that the RHL box or the remote box?
It looks like after you opened the port you didn't enable the remote machine again. If you use 'xhost +<host>' then later just 'xhost' should
list it as being authorized.
You could disable iptable/ipchins to check that there's not some other problem, but ssh is still the best method.
-Thomas
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