Xvfb is a virtual frame buffer that allows the nightly
build to run graphical jobs.

To set up Xvfb under Red Hat see
<a href="http://corpocrat.com/2008/08/19/how-to-install-xvfb-x11-server-in-linux-server/">http://corpocrat.com/2008/08/19/how-to-install-xvfb-x11-server-in-linux-server/</a>>
<ol>
 <li> As root:
<pre>
yum install Xvfb 
</pre>
 <li>As another user:
<pre>
Xvfb :1 -screen 0 1024x768x24 &
export DISPLAY=localhost:1.0
</pre>
</ol>
See also
<a href="http://chess.eecs.berkeley.edu/ptolemy/java/headless.htm">Ptolemy Java Headless Page</a>.</p>

<p>For Solaris instructions, search <a href="http://embedded.eecs.berkeley.edu/dopsysadmin/private/2/InfraxFAQ.htm">http://embedded.eecs.berkeley.edu/dopsysadmin/private/2/InfraxFAQ.htm</a> for Xvfb