Red Hat Kubernetes &
OpenShift Administration EX280
Master Enterprise Kubernetes. Learn to configure, secure, and manage production-grade clusters through our intensive DO180 + DO280 training. Secure your EX280 certification with true multi-node OpenShift labs.
Why OSELabs Beats the Competition
- Real Cloud-Native Labs Don't simulate. Access actual multi-node OpenShift clusters.
- Official Curriculum Maps exactly to Red Hat's DO280 V4.20 objectives.
- Day 2 Operations Focus Learn real-world Dev self-service quotas and cluster upgrades.
1-on-1 Custom Training
Learn at your own pace
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Real OCP clusters
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Course Overview & Objectives
The Red Hat OpenShift & Kubernetes Administration course is designed for system administrators, DevOps engineers, and cloud developers who want to manage containerized applications using Red Hat OpenShift Container Platform (RHOCP).
Red Hat OpenShift is an enterprise-ready Kubernetes platform that provides full-stack automated operations to manage hybrid cloud and multicloud deployments. This intensive hands-on track combines DO180 (Introduction to Containers & Kubernetes) and DO280 (Red Hat OpenShift Administration II), building the core knowledge needed to configure, troubleshoot, and secure production clusters.
Upcoming Batches
Official Syllabus (DO180 + DO280)
1
Declarative Resource Management
- Manage applications declaratively using Kubernetes resource manifests
- Customize and adapt resource manifests for multiple environments using Kustomize overlays
2
Deploying Packaged Applications
- Parameterize and deploy reusable application configurations with OpenShift Templates
- Package, manage, and deploy complex applications using Helm charts
3
Authentication and Authorization
- Configure user authentication with the HTPasswd identity provider
- Define and enforce user and group permissions using Role-Based Access Control (RBAC)
4
Network Security
- Protect external application traffic with TLS termination
- Isolate network traffic between applications using Network Policies
- Secure internal pod-to-pod communications using TLS encryption
5
Exposing Non-HTTP/SNI Applications
- Expose non-HTTP applications using Load Balancer services
- Attach multiple network interfaces to pods using Multus secondary networks
6
Enabling Developer Self-Service
- Manage resource consumption using Project and Cluster Resource Quotas
- Enforce per-project CPU and memory limits using Limit Ranges
- Configure customized Project Templates and manage self-provisioner roles
7
Managing Kubernetes Operators
- Understand Kubernetes Operators and the Operator Lifecycle Manager (OLM)
- Install, configure, and manage Operators using the OpenShift Web Console and CLI
8
Application Security & Maintenance
- Control container execution permissions using Security Context Constraints (SCCs)
- Configure service account permissions to allow applications to access Kubernetes APIs
- Schedule automated cluster and node maintenance tasks using Kubernetes CronJobs
9
OpenShift Updates & API Lifecycle
- Perform automated over-the-air (OTA) updates on Red Hat OpenShift clusters
- Detect and migrate deprecated Kubernetes API usages prior to cluster upgrades
- Manage and update installed Operators using the Operator Lifecycle Manager (OLM)
Exam Details (EX280)
Red Hat Certified Specialist in OpenShift Administration
The EX280 exam tests your ability to configure, manage, and troubleshoot Red Hat OpenShift Container Platform clusters in a real-world hands-on environment.
Frequently Asked Questions
What is the difference between DO180 and DO280?
DO180 is an introduction to Containers, Kubernetes, and OpenShift basics for developers. DO280 (OpenShift Administration II) is an advanced course for Ops and SREs, focusing heavily on cluster security, multi-tenancy, Operators, and Day 2 administration. DO280 directly prepares you for the EX280 exam.
Do I need to know Kubernetes before taking EX280?
Yes. OpenShift is Red Hat's enterprise Kubernetes distribution. A solid understanding of Kubernetes primitives (Pods, Deployments, Services, ConfigMaps) and Linux system administration (RHCSA level) is highly recommended before tackling DO280.
How does OSELabs prepare me for the EX280 V4.20 exam?
The EX280 is a 100% performance-based exam where you must fix, configure, and secure a broken OpenShift cluster. We provide dedicated, multi-node OpenShift 4.20 lab environments. You learn by doing, not by watching PowerPoints, ensuring you can troubleshoot under exam time pressure.
How long is the EX280 OpenShift Administrator exam?
The EX280 is a rigorous 3-hour practical exam. You must score at least 210 out of 300 to earn the Red Hat Certified Specialist in OpenShift Administration credential.
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