Author: Dhinesh Kumar

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…

Deploying the NGINX Operator and accessing NGINX on OpenShift v4 can be done through the following steps. This process assumes you have administrative access to your OpenShift cluster and are familiar with basic OpenShift and Kubernetes concepts. 1. Log into your OpenShift Cluster:   – Use the OpenShift CLI (`oc`) or the OpenShift web console to…

OpenShift HTPasswd Lab: Creating an .htpasswd file in OpenShift v4 involves a few steps. This file is typically used for authentication purposes. Here’s a general guide on how to create an .htpasswd file in OpenShift v4: Log in to the OpenShift Cluster: First, ensure that you are logged in to your OpenShift cluster with the…

Activity 1: Moving OpenShift v4 ingress pods to Infra nodes Moving OpenShift v4 Ingress Pods to infrastructure nodes involves a few steps. Here’s a general guide: Label the Infrastructure Nodes: You first need to label your infrastructure nodes. This can be done using the oc command line tool. Assume you have already set up your infrastructure…

Hands-on Labs with Red Hat Code Ready Container: Download all the PDF files Reference: Red Hat CRC reference (How to do) Hands On Labs: 1. Learn and experiment HTPasswd Lab 2. Deploy your nginx operator Lab 3. Deploy Jenkins Operators Lab 4. Deploy OpenShift Compliance Opeator Lab 5. Explore OpenShift Admin Console 6. Top 100 OpenShift CLI commands Lab What can…

OpenShift Advanced Concepts for OpenShift Architects and Administrators: Read more about OpenShift Basics Download all the OpenShift Free PDF Learning materials. Concepts: 1. Operator Framework Mastery:   – Explore and implement custom operators using Operator SDK.   – Understand the Operator Lifecycle Manager (OLM) and create custom CatalogSources. 2. Multi-Cluster Deployments:   – Set up and manage multi-cluster…