OpenShift for Beginners is a comprehensive guide to getting started with the OpenShift platform. This guide will provide an introduction to the platform, explain the basics of how to use it, and provide step-by-step instructions for setting up and managing your own OpenShift environment
From Wikipedia
OpenShift is a family of containerization software products developed by Red Hat. Its flagship product, OpenShift Container Platform, is a hybrid cloud platform as a service built around Linux containers orchestrated and managed by Kubernetes on a foundation of Red Hat Enterprise Linux. OKD serves as the community-driven upstream.