i am make the efforts to install a program on RedHAt7 utilizing ssh / connecting come server. I received the calculation the following

Exception in subject "main" java.lang.ExceptionInInitializerError at org.greenstone.gatherer.Gatherer.init(Gatherer.java:284) in ~ org.greenstone.gatherer.Gatherer.(Gatherer.java:234) at org.greenstone.gatherer.GathererProg.main(GathererProg.java:78)Caused by: java.awt.HeadlessException: No X11 display screen variable to be set, however this regime performed an procedure which requires it. In ~ sun.awt.HeadlessToolkit.getScreenSize(Unknown Source) at org.greenstone.gatherer.Configuration.(Configuration.java:111) ... 3 moreHow to fix X11 Display?



If X server is to run on the target host and also you desire the program to display there, friend usually do "export DISPLAY=:0" wherein :0 would median the an initial X server running. If you space running number of X servers (for instance Xvnc) on the target host, :0 may come to be :1 or an additional number, relying on X server configuration.

You are watching: No x11 display variable was set, but this program performed an operation which requires it.

If you have X server running locally (the an equipment you room connecting from) you could use "ssh -X ..." or "ssh -Y" to log in in to the host and also forward your display to the program run remotely. See other answers top top redirecting X server end SSH.

Edit: Please inspect the price in the linked article.TL;DR:

Ensure xauth is installed on targetIn /etc/sshd_config collection X11Forwarding yesRun ssh v -vv to examine what is the problem, if any type of

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exactly how do I solve a "cannot open display" error as soon as opening one X regimen after ssh'ing v X11 forwarding enabled?

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