running 32 bit programs on 64bit ubuntu

after "apt-get install libc6-i386 lib32stdc++6 lib32gccl"
& unpack200 /opt/novell/groupwise/client/java/lib/*.pack files

still have
root@sye-desk:/opt/novell/groupwise/client/bin# ./groupwise-bin
Exception in thread "main" java.lang.UnsatisfiedLinkError: /opt/novell/groupwise/client/java/lib/i386/xawt/libmawt.so: libXext.so.6: cannot open shared object file: No such file or directory
at java.lang.ClassLoader$NativeLibrary.load(Native Method)
at java.lang.ClassLoader.loadLibrary0(Unknown Source)
at java.lang.ClassLoader.loadLibrary(Unknown Source)
at java.lang.Runtime.load0(Unknown Source)
at java.lang.System.load(Unknown Source)
at java.lang.ClassLoader$NativeLibrary.load(Native Method)
at java.lang.ClassLoader.loadLibrary0(Unknown Source)
at java.lang.ClassLoader.loadLibrary(Unknown Source)
at java.lang.Runtime.loadLibrary0(Unknown Source)
at java.lang.System.loadLibrary(Unknown Source)
at sun.security.action.LoadLibraryAction.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at sun.awt.NativeLibLoader.loadLibraries(Unknown Source)
at sun.awt.DebugHelper.(Unknown Source)
at java.awt.Component.(Unknown Source)
at com.novell.gw.jclient.application.GWClient.main(GWClient.java:1318)
at GroupWise.main(GroupWise.java:37)