An alternative to Google Authenticator.

Imagine a Nessus (or any other vulnerability scan tool) reports something like this:

If you want to pass Red Hat Certified System Administrator EX200 certification you can prepare with a CentOS 8 system. But there is a better way.

Red Hat Enterprise Linux subscriptions are available for free under certain circumstances. All you have to do is create an account and follow instructions to download an ISO file.