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DO281 – Red Hat OpenShift Administration II: Operating a Production Kubernetes Cluster + Exam

  • Length 4 days
  • Inclusions EX280 Exam
Course overview
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Why study this course

This course teaches you how to configure, troubleshoot, and manage Red Hat® OpenShift® Container Platform. This hands-on, lab-based course shows you how to verify the successful installation of a cluster, manage it on a day-to-day basis, and troubleshoot the deployment of containerized applications.

This course is based on Red Hat Enterprise Linux® 8.2 and OpenShift Container Platform 4.5. The Red Hat Certified Specialist in OpenShift Administration exam (EX280) is included.

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What you’ll learn

After completing this course, you should be able to demonstrate the skills to establish a new OpenShift cluster, perform initial configuration of the cluster, and manage the cluster on a day-to-day basis. One major focus of the course is troubleshooting common problems that will be encountered beyond day one.

You should be able to demonstrate these skills:

  • Describe the Red Hat OpenShift Container Platform cluster installation and update processes

  • Troubleshoot application deployments

  • Configure authentication using local users

  • Control access to projects using role-based access control (RBAC)

  • 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

  • Manage a cluster and deployed applications with the Web Console

  • Install Kubernetes Operators with the Web Console

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Who is the course for?

This course is designed for system administrators, system architects, and developers who want to install and configure Red Hat OpenShift Container Platform.

  • System and Software Architects interested in understanding features and functionality of an OpenShift cluster.

  • System Administrators interested in the ongoing management of clusters and containerized applications.

  • Cluster Operators 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 subjects

Describe the Red Hat OpenShift Container PlatformDescribe the architecture of the Red Hat OpenShift Container Platform (RHOCP).

Verify the health of a clusterDescribe OpenShift installation methods and verify the health of a newly installed cluster.

Configure authentication and authorizationConfigure authentication with the HTPasswd identity provider and assign roles to users and groups.

Configure application securityRestrict permissions of applications using security context constraints and protect access credentials using secrets.

Configure OpenShift networking for applicationsTroubleshoot OpenShift software-defined networking (SDN) and configure network policies.

Control pod schedulingControl which nodes a pod runs on.

Describe cluster updatesDescribe how to perform a cluster update.

Manage a cluster with the web consoleManage a Red Hat OpenShift cluster using the web console.


  • Become a Red Hat Certified System Administrator, or demonstrate equivalent Red Hat Enterprise Linux system administration experience

  • Complete Introduction to Containers, Kubernetes, and Red Hat OpenShift (DO180), or demonstrate equivalent experience with containers, Kubernetes, and OpenShift basics

For candidates who have not earned their RHCSA or RHCE, confirmation of the correct skill set knowledge can be obtained by passing the online skills assessment.


DDLS offers certification and training in Red Hat, JBoss and Ansible through our partnership with Red Hat. This arrangement requires DDLS to provide your details to Red Hat for course and exam registration purposes.

Terms & Conditions

The supply of this course by DDLS is governed by the booking terms and conditions. Please read the terms and conditions carefully before enrolling in this course, as enrolment in the course is conditional on acceptance of these terms and conditions.

Request Course Information

By submitting an enquiry, you agree to our privacy policy and receiving email and other forms of communication from us. You can opt-out at any time.