I received this problem recently when I logged into root on a machine. X11 connection rejected because of wrong authentication How did this problem happen? Here’s what I did. ssh -X huyle@host sudo su xclock X11 connection rejected because of wrong authentication If I open xclock as a user, then X11 works just fine. As a result, I know that the server and client’s X11 forwarding is working. A root problem My .Xauthority and X11 credentials aren’t being passed over to root. ssh...

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