DO280: Red Hat OpenShift Administration II: Configuring a Production Cluster

Course Information

Certification

Red Hat Certified OpenShift AdministratorPrivate: DevOp Track

Overview

Configure and manage OpenShift clusters to maintain security and reliability across multiple applications and development teams.

Red Hat OpenShift Administration II: Configuring a Production Cluster (DO280) prepares OpenShift Cluster Administrators to perform daily administration tasks on clusters that host applications provided by internal teams and external vendors, enable self-service for cluster users with different roles, and deploy applications that require special permissions such as such as CI/CD tooling, performance monitoring, and security scanners. This course focuses on configuring multi-tenancy and security features of OpenShift as well as managing OpenShift add-ons based on operators.

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 OpenShift Container Platform 4.14.

Prerequisites

Red Hat OpenShift Administration I: Operating a Production Cluster (DO180v4.14), or equivalent skills deploying and managing Kubernetes applications using the OpenShift web console and command-line interfaces.
Significant experience with Linux System Administration is not needed for this course. Basic skills operating a Bash shell, manipulating files and processes, and verifying system confirmations such as network addresses are necessary and sufficient. Students are encouraged to take Getting Started with Linux Fundamentals (RH104) before enrolling in DO280

Deploying packaged applications using manifests, templates, kustomize, and helm.
Configuring authentication and authorization for users and applications.
Protecting network traffic with network policies and exposing applications with proper network access.
Deploying and managing applications using resources manifests.
Enabling developer self-service of application projects.
Managing OpenShift cluster updates and Kubernetes operator updates.

Course Outline

Deploy and update applications from resource manifests that are parameterized for different target environments.

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

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

Protect network traffic between applications inside and outside the cluster.

Expose applications to external access without using an Ingress controller.

Configure clusters for safe self-service by developers from multiple teams and disallow self-service if projects have to be provisioned by the operations staff.

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

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

Update an OpenShift cluster and minimize disruption to deployed applications.

Overview

Configure and manage OpenShift clusters to maintain security and reliability across multiple applications and development teams.

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 OpenShift Container Platform 4.14.

Audience Profile

Platform Administrators, System Administrators, Cloud Administrators, and other infrastructure-related IT roles who are responsible for managing and maintaining infrastructure for applications
Enterprise Architects, Site Reliability Engineers, DevOps Engineers, and other application-related IT roles who are responsible for designing infrastructure for applications

Prerequisities

Prerequisites

Red Hat OpenShift Administration I: Operating a Production Cluster (DO180v4.14), or equivalent skills deploying and managing Kubernetes applications using the OpenShift web console and command-line interfaces.
Significant experience with Linux System Administration is not needed for this course. Basic skills operating a Bash shell, manipulating files and processes, and verifying system confirmations such as network addresses are necessary and sufficient. Students are encouraged to take Getting Started with Linux Fundamentals (RH104) before enrolling in DO280

At Course Completion

Deploying packaged applications using manifests, templates, kustomize, and helm.
Configuring authentication and authorization for users and applications.
Protecting network traffic with network policies and exposing applications with proper network access.
Deploying and managing applications using resources manifests.
Enabling developer self-service of application projects.
Managing OpenShift cluster updates and Kubernetes operator updates.