GroupWise 8.0.2 multilangugae, Ubunto 10.10 64bit
i m doing that like this:
apt-get install ia32-libs
apt-get install ia32-sun-java6-bin
apt-get install alien
alien -i --veryverbose --script novell-groupwise-client-8.0.2-90840.i586.rpm
-i mean install, you can use -t that make tarfile.
cd /opt/novell/groupwise/client
ln -s /usr/lib/jvm/ia32-java-6-sun/jre java

source: http://www.novell.com/coolsolutions/tip/19592.html