Enable access to the display on your workstation (outside the target). The following command enables access only to the root user of your local system
# xhost +SI:localuser:root
Inside the target, launch the UI inside Xephyr window
# ume-xephyr-start
The ume-xephyr-start script shown above does the following
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# apt-get install xserver-xephyr
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# export DISPLAY=:0
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# /etc/init.d/dbus start
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# xinit /etc/X11/xinit/xinitrc -- /usr/bin/Xephyr :2 -host-cursor -screen 1024x600x32 -dpi 96 -ac
You should now see a working UI running in the Xephyr Window (here the default HTML UI with a user selected Palm Tree background)
