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Question: How do I use Xvfb graphics?

This example script dumps a screenshot of a URL to a specified file.

#!/bin/sh

Xvfb :1 -screen 0 1024x768x24 &
DISPLAY=:1 mozilla -width 1024 -height 768 http://www.kattare.com/ &
sleep 5
DISPLAY=:1 import -window root captured.png
killall mozilla
killall Xvfb