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



    Configure, manage, and troubleshoot OpenShift clusters and containerized applications Red Hat OpenShift Administration II: Configuring a Production Cluster with Exam (DO281) 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 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 Red Hat® OpenShift® 4.12.
    Course summary

    • 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.


    Impact on the organization

    This course is intended to develop the skills needed to install, configure, and manage the Red Hat OpenShift Container Platform to deploy containerized applications that are highly available, resilient, and scalable. Red Hat OpenShift Container Platform enables rapid application development and deployment, as well as portability of an application across environments. The platform also offers simplified application scaling, administration, and maintenance of adapted or cloud-native applications.

    Red Hat has created this course in a way intended to benefit our customers, but each company and infrastructure is unique, and actual results or benefits may vary.

    Impact of this training

    After completing this course, you should be able to demonstrate the skills to establish a new OpenShift cluster, perform initial configuration of the cluster, and manage the cluster on a day-to-day basis. One major focus of the course is troubleshooting common problems that will be encountered beyond day one.

    You should be able to demonstrate these skills:

    • Install OpenShift Container Platform to create a simple cluster.
    • Configure and manage OpenShift masters and nodes.
    • Secure OpenShift with a simple internal authentication mechanism.
    • Control access to resources on OpenShift.
    • Deploy applications on OpenShift using Source-to-Image (S2I).
    • Configure and manage OpenShift pods, services, routes, secrets, and other resources.

    Grupa docelowa

    • 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.



    Outline for this course

    1. Declarative Resource Management
      • Deploy and update applications from resource manifests that are parameterized for different target environments.
    2. Deploy Packaged Applications
      • Deploy and update applications from resource manifests that are packaged for sharing and distribution.
    3. Authentication and Authorization
      • Configure authentication with the HTPasswd identity provider and assign roles to users and groups.
    4. Network Security
      • Protect network traffic between applications inside and outside the cluster.
    5. Expose non-HTTP/SNI Applications
      • Expose applications to external access without using an Ingress controller.
    6. Enable Developer Self-Service
      • 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.
    7. Manage Kubernetes Operators
      • Install and update Operators that are managed by the Operator Lifecycle Manager and by the Cluster Version Operator.
    8. Application Security
      • Run applications that require elevated or special privileges from the host Operating System or Kubernetes.
    9. OpenShift Updates
      • Update an OpenShift cluster and minimize disruption to deployed applications.



    • Classroom: 5 days (since 31.07.2023)
    • Virtual training: 5 days (since 31.07.2023)


    Recommended next exam or course:


    Technology considerations

    • This course requires internet access to access the cloud-based classroom environment that provides an OpenShift cluster and a remote administrator’s workstation

    For more details, please contact us at

    Note: The course outline is subject to change as technology advances and the underlying job evolves. For questions or confirmation on a specific objective or topic, please contact us at
    Cena netto:12432 PLN(2841 EUR)Cena brutto:15291.36 PLNOpis

    Kurs przyjęty do powyższej kalkulacji 1 EUR = 4.376 PLN – tabela nr. 237/C/NBP/2023, z dnia 2023-12-06. Obowiązująca od: 2023-12-08. Cena w PLN jest orientacyjna (wyliczana z EUR/USD wg kursu sprzedaży NBP z dnia wystawienia faktury). Przyjmujemy wpłaty w PLN lub EURO.


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