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February 13, 2011

Ubuntu ssh X11 forwarding bug

Kind of a funny thing. I bought a colo VM a while ago and am just getting around to setting it up. One of the things that I wanted to do with it was run little gui programs from it for doing some batch processing. It turns out that Ubuntu server doesn't come with xauth (yay, actually), which prevents remote X11 Forwarding from working. Of course, you don't get anything like a sane error message. So if you're trying to ssh -X to an ubuntu server and the DISPLAY variable isn't getting set, check out to be sure xauth is installed.

That is all.

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