A major design tenant for OpenShift is the ability to bring everything about the cluster under management of the cluster itself. As a result, it is possible to introspect, modify, and update your cluster without the use of an external tool. Its just Kubernetes.
Depending on your interest, explore the following:
- Using the CLI
- Accessing the console
- Understanding operators
- Managing Compute
- Managing Nodes
- Monitoring
- Developer Experience
Next: Cleanup the Cluster