A good information page about checking and / or building
the sampling driver can be found here. As you already mention, make sure to run the
latest update of the product or a version / update of the product best suited
for your environment. Support for Ubuntu
11.10 was added in Update 7. Let us know
if you have questions, comments, or need assistance.
Thank you for the update and good to hear that the Update 7 install went well on Ubuntu 11.04. In regards to Update 7 and RHEL 5.4, it is supported so the installation should work as expected. If you run into problems let us know.