Technical requirements
All you need for this chapter is a virtual machine of some sort, with full sudo privileges for your own user account. For my demos, I'll be using the brand-new AlmaLinux 8 for the Red Hat (RHEL) side of things and Ubuntu Server 20.04 for the Ubuntu side.
Check out the following link to see the Code in Action video: https://bit.ly/3oev29P
A word about CentOS Linux
I know, you're probably used to seeing CentOS Linux for these demos. But, at the end of 2020, the Red Hat company announced that they would end support for the enterprise-ready version of CentOS 8 at the end of 2021. Its replacement, CentOS Stream, is a rolling-release distro that you might not want to use in the enterprise. Fortunately, there are suitable enterprise-ready replacements for CentOS 8 from other organizations, which include Oracle Enterprise Linux 8, Springdale Linux 8, and Alma Linux 8. At the time of writing, Rocky Linux 8 is in the planning stages and will eventually...