Running RHEL 5.8 today means you will or bug fixes. If your system is connected to the internet, it may be highly vulnerable to modern exploits. Red Hat strongly recommends migrating to a current supported version, such as RHEL 8 or 9 , which you can explore on the Red Hat Product Life Cycle page . If you'd like, I can help you with:
These platforms offer excellent legacy support. When setting up your VM, ensure you select the "Red Hat (64-bit)" profile to optimize the virtual hardware environment for the 2.6 kernel. download redhat enterprise linux 58 x64 iso hot
Getting the ISO is step one. The "hot" download is useless without packages. Since official yum repos for RHEL 5.8 are offline, use these workarounds: Running RHEL 5