DO285: Containers, Kubernetes, and Red Hat OpenShift Administration II

Important notice - this course has been retired!

The DO285 course has been retired from Red Hat effective from January 2023. The reason for this retirement is because the DO180 course has been extended (more content has been added), and students should take these courses separately to prepare for exam EX280:






Learn to build and manage container images, administrate an OpenShift cluster, and troubleshoot applications running on Kubernetes. This course helps you gain core knowledge in building and in configuring and managing Red Hat® OpenShift® Container Platform. It is an immersive and intensive, hands-on course that shows you how to deploy applications to local container engines and OpenShift clusters, manage the cluster on a day-to-day basis, and troubleshoot the deployment of containerized applications.

Course content summary

  • Manage containers and container images.
  • Create custom container images.
  • Describe the Red Hat OpenShift Container Platform cluster installation and update processes.
  • Troubleshoot application deployment issues.
  • Control access to projects using groups and role-based access control (RBAC).
  • Configure service and container networking.
  • Expose applications to clients external to the cluster using TLS encryption.
  • Configure network isolation between services and applications using network policies.
  • Configure application scheduling using labels and selectors.
  • Limit compute resource usage of applications with resource limits and quotas.
  • Install Kubernetes Operators with the web console.


  • System and software architects interested in understanding features and functionality of an OpenShift cluster
  • System administrators who who are interested in the ongoing management of clusters and containerized applications
  • Cluster operators who are interested in managing access to cluster resources by users and applications
  • Site reliability engineers interested in the ongoing maintenance and troubleshooting of a cluster


Course outline

Introduction to container technology
Create containerized services
Manage containers
Manage container images
Create custom container images
Deploy containerized applications on OpenShift
Deploy multicontainer applications
Explore Red Hat OpenShift Container Platform
Verify the health of a cluster
Configure authentication and authorization
Configuring application security
Configure OpenShift networking for applications
Control pod scheduling
Scale an OpenShift cluster
Describe cluster updates
Manage a cluster with the web console
Execute a comprehensive review


This course will help you prepare for exam EX280: Red Hat Certified Specialist in OpenShift Administration.
By passing this exam, you become a Red Hat Certified Specialist

Other relevant courses

22. May
5 days
Classroom Virtual On Demand Guaranteed to run
17. April
5 days
Classroom Virtual On Demand Guaranteed to run
24. April
5 days
Classroom Virtual On Demand Guaranteed to run