Bitnami rails environment

http://bitnami.org/stack/rubystack

Installed VMWare Ubuntu (bitnami-rubystack-3.1.3-0-ubuntu-10.10.zip)
http://bitnami.org/faq/virtual_machines
http://bitnami.org/tutorials/from_instantrails_to_rubystack
http://bitnami.org/tutorials/installing_rubystack
http://bitnami.org/tutorials/rolling_on_rails_with_rubystack
http://bitnami.org/article/how-to-install-vmware-tools-on-bitnami-virtual-appliances

zypper update kernel-default

command not found

Instructions don't work for Ubuntu.  Neither do these:

http://wiki.bitnami.org/Virtual_Appliances_Quick_Start_Guide#How_to_install_VMWare_tools_on_BitNami_Virtual_Appliances.3f