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RHEL 5.8 x86_64 ISO:

Oracle Linux is a major RHEL clone. Oracle quickly released its version 5.8 just 10 days after the RHEL 5.8 announcement. It offers multiple kernel options, including a Red Hat Compatible Kernel. Oracle provides free downloads of its ISO images from its official website, though a free Oracle account is required.

This is the only legal method to get a genuine, unmodified ISO. Here is how to do it even if your subscription has lapsed.

If the output string matches the string displayed on the Red Hat Portal exactly, your download is safe to use. Installation and Post-Download Best Practices Legacy Life Cycle Warning

If your subscription ended in 2015, the download button may be grayed out. Do not panic. Proceed to Method 2.