Login as GNU/Linux user <tt>opengroupware</tt> and start the
application with
<tt>WOApps/OpenGroupware.woa/ix86/linux-gnu/gnu-fd-nil/OpenGroupware
 -WOPort 20000 -WOHttpAllowHost localhost</tt>. Be sure to
source the environment before using <tt>source
~opengroupware/OpenGroupware.org.sh</tt>.