Category: OpenShift Learning

OpenShift Egress refers to the network traffic that originates from pods in an OpenShift cluster and exits to various destinations, which can be within or outside of the cluster. Managing egress traffic is crucial for controlling access to external resources and ensuring network security. Here are the key points regarding OpenShift egress: Advantages of Managing…

Create Podman based Image Registry (Mirror Registry) for Airgap OpenShift Installation: Creating a Podman-based image registry on a Red Hat Linux machine involves several steps. Here’s a guideline to help you set up your own registry: Prerequisites: A Red Hat Linux machine with Podman installed.Ensure you have root or sudo privileges for the installation and…

Install OpenShift v4 on VMWare: OpenShift v4 supports only L4 Load balancer: L4 (Layer 4) and L7 (Layer 7) load balancers operate at different layers of the OSI (Open Systems Interconnection) model, affecting how they manage traffic and the types of decisions they can make. Ports Requirements: When installing OpenShift v4 on VMware, several network…

Read more about OpenShift Basics Download all the Free PDF files (2023 Guides) OpenShift v4, developed by Red Hat, represents a significant evolution in the way containerized applications are deployed and managed. Here’s a simplified overview of its architecture, topology, and key components: Architecture Topology Key Components This architecture makes OpenShift v4 a robust, scalable,…

OpenShift v4 Networking basics: OpenShift v4, a Kubernetes-based container platform, introduces a robust and flexible networking model that supports the diverse needs of modern applications. Here are the basics of its networking: Pod Networking: OpenShift uses a software-defined networking (SDN) approach to provide a unified cluster network where every Pod gets its own IP address.…

OpenShift v4 Admin Console Walk Through: Notable features and tasks: Here are some of the key options and functionalities available in the OpenShift v4 Admin Console: Other Features:

OpenShift & Kubernetes Differences: OpenShift v4 and Kubernetes are both powerful platforms for container orchestration, but they have distinct differences and advantages. Here’s a detailed comparison: Differences between OpenShift v4 and Kubernetes

Modified on 1st January, 2025 Note: Join our OpenShift Tips and Tricks WhatsApp Channel and get regular Updates. User Provisioned Infrastructure (UPI) and Installer Provisioned Infrastructure (IPI) are two deployment models available for OpenShift v4, each with distinct characteristics. Here are the top 15 differences between them: These differences highlight that UPI is better suited…

Installing the Compliance Operator Configuring and Executing Scans Example YAML for ComplianceScan: apiVersion: compliance.openshift.io/v1alpha1kind: ComplianceScanmetadata:  name: example-scanspec:  profile: xccdf_org.ssgproject.content_profile_moderate  content: ssg-ocp4-ds.xml  rule: ‘ocp4-cis-node’  nodeSelector:    node-role.kubernetes.io/master: “” Tips: Remember, the steps may vary slightly depending on the specific OpenShift version and your cluster configuration. Always refer to the latest OpenShift documentation for the most accurate and…

Deploying the Jenkins Operator and accessing Jenkins on OpenShift v4 involves several steps. Here’s a general outline of the process: 1. Setting Up OpenShift Environment 2. Installing the Jenkins Operator 3. Configuring Jenkins 4. Accessing Jenkins 5. Additional Configuration 6. Using Jenkins 7. Monitoring and Maintenance Notes This is a high-level overview. Depending on your…