Red Hat OpenShift Administration II: Operating a Production Kubernetes Cluster (DO280)

Configure, manage, and troubleshoot OpenShift clusters and containerized applications

Red Hat OpenShift Administration II: Operating a Production Kubernetes Cluster (DO280) 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 4.6.

Course summary

• 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

Describe the Red Hat OpenShift Container Platform

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

Verify the health of a cluster

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

Configure authentication and authorization

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

Configure application security

Restrict permissions of applications using security context constraints and protect access credentials using secrets.

Configure OpenShift networking for applications

Troubleshoot OpenShift software-defined networking (SDN) and configure network policies.

Control pod scheduling

Control which nodes a pod runs on.

Describe cluster updates

Describe how to perform a cluster update.

Manage a cluster with the web console

Manage a Red Hat OpenShift cluster using the web console.

Audience for this course

• System and Software Architects interested in understanding the 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.

Technology considerations

• Internet access is required.

Prerequisites for this course

• Complete Introduction to Containers, Kubernetes, and Red Hat OpenShift (DO180), or demonstrate equivalent experience with containers, Kubernetes, and OpenShift fundamentals.
• Become a Red Hat Certified System Administrator, or demonstrate equivalent Red Hat Enterprise Linux system administration experience.
• Take our free assessment to gauge whether this offering is the best fit for your skills.