You can provide your installation number when prompted during the Note: This documentation is provided by Red Hat®, Inc. The copyright holder has added the further requirement that Distribution of substantively modified versions of this document is prohibited without the explicit permission of the copyright holder.The Cent OS project redistributes these original works (in their unmodified form) as a reference for Cent OS-5 because Cent OS-5 is built from publicly available, open source SRPMS. You can also use Cent OS as a free replacement if you actually need something for deployment.Cent OS is different in branding (no Red Hat branding), subscriptions (no need to subscribe, lack of enterprise offerings) and support (late updates compared to RHEL, no commercial support from RH).
So the fact that they are supporting it well tell us about the level of deterioration of the company.And the level of frustration sometimes sometimes reaches such a level that people just abandon RHEL. If Cent OS or Academic Linux works there is no reason to suffer from Red Hat licensing issues.Also that makes Oracle, surprisingly, more attractive option too :-). But usually you are bound by corporate policy here.Sometimes this quote helps, but often it is completely detached from reality.All-in-all Red Hat successful created almost un-penetrable mess of obsolete and semi obsolete notes, poorly written and incomplete documentation, dismal diagnostic and poor troubleshooting tools.Registration includes these simple steps: Your installation number is located in the package that came with your order.