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DO281 - Red Hat OpenShift Administration II: Configuring a Production Cluster + Exam

  • Length 5 days
  • Price  NZD 5390 exc GST
  • 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 containerised applications. This course focuses on configuring multi-tenancy and security features of OpenShift as well as managing OpenShift add-ons based on operators. Red Hat Certified OpenShift Administrator exam is Included in this offering.

The skills you learn in this course can be applied using all versions of OpenShift, including Red Hat OpenShift on AWS (ROSA), Azure Red Hat OpenShift, and OpenShift Container Platform.

This course is based on Red Hat OpenShift 4.12.

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What you’ll learn

As a result of attending this course, students will be able to perform the set of tasks that OpenShift cluster administrators are expected to perform in their daily jobs for on-premises, cloud-based, and vendor-managed clusters, including enabling add-on operators. Students will also be able manage multi-tenant permissions for different roles and configure applications that require privileged access to cluster and host resources.

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Who is the course for?

  • System Administrators and Platform Operators interested in the ongoing management of OpenShift clusters, applications, users, and add-ons.

  • Site Reliability Engineers interested in the ongoing maintenance and troubleshooting of Kubernetes clusters.

  • System and Software Architects interested in understanding the security of an OpenShift cluster.

Course subjects

Declarative Resource Management

  • Deploy and update applications from resource manifests that are parameterised for different target environments

Deploy Packaged Applications

  • Deploy and update applications from resource manifests that are packaged for sharing and distribution

Authentication and Authorisation

  • Configure authentication with the HTPasswd identity provider

  • Assign roles to users and groups

Network Security

  • Protect network traffic between applications inside and outside the cluster

Expose non-HTTP/SNI Applications

  • Expose applications to external access without using an Ingress controller

Enable Developer Self-Service

  • Configure clusters for safe self-service by developers from multiple teams

  • Disallow self-service if projects have to be provisioned by the operations staff

Manage Kubernetes Operators

  • Install and update Operators that are managed by the Operator Lifecycle Manager and by the Cluster Version Operator

Application Security

  • Run applications that require elevated or special privileges from the host Operating System or Kubernetes

OpenShift Updates

  • Update an OpenShift cluster

  • Minimise disruption to deployed applications


Students should have completed Red Hat OpenShift Administration I: Operating a Production Cluster (DO180 v4.12), or posses equivalent skills in deploying and managing Kubernetes applications using the OpenShift web console and command-line interfaces.

To gauge whether this course is the best fit for your skills, take the free assessment.


Lumify Work offers certification and training in Enterprise Linux, Ansible, JBoss, OpenShift, OpenStack, and more through our partnership with Red Hat. This arrangement requires Lumify Work to provide your details to Red Hat for course and/or exam registration purposes.

Terms & Conditions

The supply of this course by Lumify Work 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.

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