Red Hat have created a nice little set of self-paced tutorials / exercises for OpenShift Container Platform (OCP), which provide one with a set of exercises ( GUI and CLI steps ) to run against a ( very quickly provisioned ) OCP cluster.
I ran through a few of these yesterday afternoon, and can definitely recommend them to anyone looking to learn a little more about OCP.
More details here: -
with an even more complete set of courses here: -
Red Hat Developer - Interactive Courses