How can I run a Unity session inside Xephyr?

Posted by d3vid on Ask Ubuntu See other posts from Ask Ubuntu or by d3vid
Published on 2012-03-29T04:17:52Z Indexed on 2012/03/29 5:40 UTC
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unity

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session

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xephyr

I can get Xephyr to run single applications within a Xephyr window. How can I run an entire Unity desktop session within a Xephyr window? (Preferably as another user.)

If I use the gtk-xephyr script with the command gnome-session --session=ubuntu, I get a black window. If I run compiz I get a grey window.

If I do not use the script and just run the following I get a popup in the Xephyr window saying "Could not acquire name on session bus. [Log out]" and in the terminal "gnome-session[3157]: WARNING: Failed to acquire org.gnome.SessionManager".

Xephyr :8 &
DISPLAY=:8 gnome-session --session=ubuntu

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