Red Hat OpenShift Administration II (DO280 )

Operating a Production Kubernetes Cluster

OpenShift is a family of containerization software products developed by Red Hat. Its flagship product is the OpenShift Container Platform — an on-premises platform as a service built around Docker containers orchestrated and managed by Kubernetes on a foundation of Red Hat Enterprise Linux.

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Course description

Gain expertise in configuring, managing, and troubleshooting OpenShift clusters and containerized applications with Red Hat OpenShift Administration II: Operating a Production Kubernetes Cluster (DO280). This course equips OpenShift Cluster Administrators with the necessary skills to handle daily administration tasks on clusters that host applications provided by both internal teams and external vendors. It focuses on enabling self-service capabilities for cluster users with different roles and deploying applications that require specialized permissions, such as CI/CD tooling, performance monitoring, and security scanners.

DO280 emphasizes the configuration of multi-tenancy and security features in OpenShift, along with the management of OpenShift add-ons through operators.

This course is based on OpenShift Container Platform 4.12.

Completing this course will help you

Audience for This Course

This course is suitable for System Administrators, Platform Operators, and Site Reliability Engineers interested in the ongoing management, maintenance, and troubleshooting of OpenShift clusters, Kubernetes clusters, applications, users, and add-ons. It also caters to System and Software Architects seeking a comprehensive understanding of OpenShift cluster security.

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Course Overview

To determine if this offering aligns with your skills, we recommend taking our free assessment. However, prerequisites for this course include Red Hat System Administration I (RH124) or equivalent skills in managing Linux systems and servers from the Bash shell. Additionally, completion of Red Hat OpenShift I: Containers & Kubernetes (DO180 v4.12) or equivalent skills in deploying and managing Kubernetes applications using the OpenShift web console and command-line interfaces is beneficial.

The OpenShift Web Console: Learn how to effectively manage a Red Hat OpenShift cluster using the web console.
Authentication and Authorization: Configure authentication with the HTPasswd identity provider and assign roles to users and groups for secure access.

Network Security: Implement network policies and TLS to protect network traffic within and outside the cluster.

Enable Developer Self-Service: Configure clusters to enable safe self-service activities for developers from multiple teams. Understand the process of disallowing self-service when operations staff need to provision projects.

Manage Kubernetes Operators: Install and update operators managed by the Operator Lifecycle Manager and the Cluster Version Operator.

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

OpenShift Updates: Perform updates on an OpenShift cluster while minimizing disruptions to deployed applications.


Note: The course outline is subject to change as technology advances and job requirements evolve. For specific inquiries or confirmation regarding objectives or topics, please reach out to our training specialists.

Configuring Authentication and Authorization: Learn to configure authentication using the HTPasswd identity provider and assign roles to users and groups for secure access.

Protecting Network Traffic with Network Policies and TLS: Implement network policies and TLS to safeguard network traffic within and outside the cluster.

Protecting Cluster Capacity with Resource Quotas: Utilize resource quotas to manage and optimize cluster capacity effectively.

Enabling Developer Self-Service of Application Projects: Configure clusters to enable developers from multiple teams to safely engage in self-service activities. Learn how to disallow self-service if projects need to be provisioned by the operations staff.

Managing OpenShift Cluster Updates and Kubernetes Operator Updates: Acquire the skills to install and update operators managed by the Operator Lifecycle Manager and the Cluster Version Operator.
Application Security: Run applications that require elevated or special privileges from the host Operating System or Kubernetes.

OpenShift Updates: Perform updates on an OpenShift cluster while minimizing disruptions to deployed applications.


Note: The course outline is subject to change as technology advances and job requirements evolve. For specific inquiries or confirmation regarding objectives or topics, please reach out to our training specialists.

Impact on the Organization:

This course equips organizations with the necessary skills to manage secure and multi-tenant Red Hat OpenShift clusters. By leveraging OpenShift, organizations can enhance application reliability, and scalability, and enable continuous integration and deployment. Furthermore, OpenShift provides portability of applications and operational processes across cloud providers and traditional data centers, facilitating the adoption of DevOps practices such as Continuous Delivery.

 

Impact on the Individual:

Upon completion of this course, students will possess the ability to perform the daily tasks expected of OpenShift cluster administrators. These skills can be applied to on-premises, cloud-based, and vendor-managed clusters, including the management of add-on operators. Students will also gain proficiency in managing multi-tenant permissions for different roles and configuring applications that require privileged access to cluster and host resources.

 

 

Recommended next exam or course

  • Red Hat Certified Specialist in OpenShift Administration (EX280)
  • Red Hat OpenShift Administration III: Scaling Kubernetes Deployments in the Enterprise (DO380)
  • Red Hat Certified Specialist in OpenShift Automation and Integration exam (EX380)

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