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This puts me in the container. You should notice that the prompt is now the "fermi" user and the container ID. Note that you only have to run the xhost command once. If you quit the container, you will have to run the start and attach commands to return to it.
I launched ds9 to make sure X-windows are working. Quit it (assuming it works) and change to the shared directory, which is under /data in the container.
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