Author: Dhinesh Kumar

Read about OpenShift Basics (2024 OpenShift Beginners Guide) Installation and Setup:1. Q: How do I install OpenShift v4?   – A: OpenShift can be installed using the OpenShift Installer, which automates the installation process. 2. Q: What is the minimum hardware requirement for an OpenShift cluster?   – A: Minimum requirements include at least 4 cores, 16 GB…

Top 50 OpenShift v4 Best Practices (Infra Implementation Best practices). Read more about OpenShift Advanced Concepts Read more about OpenShift Architecture Please note: There is no standard Best Practices available to conclude commonly for any environment. These instructions may or may not be applicable. You have to make best decision to select the points. We do not…

OpenShift v4 Troubleshooting Notes from Experts (2024)! Here with 50 problem scenarios and cmd references. Keep in mind that the commands and solutions may vary based on the specific details of your OpenShift environment. 1. Problem: Node Not Ready    – Solution:      oc get nodes      oc describe node 2. Problem: PersistentVolumeClaim…

Delete Pod which struck with Terminating State: Apply –grace-period=0 –force oc delete pod pod-name-1-deploy -n myproject –grace-period=0 –forcewarning: Immediate deletion does not wait for confirmation that the running resource has been terminated. The resource may continue to run on the cluster indefinitely.pod “jenkins-1-deploy” deleted Delete Project which struck with Terminating State: Reference: https://www.redhat.com/sysadmin/openshift-terminating-state Further Notes:…

OpenShift Day to Day Tasks: 1. Cluster Installation and Setup: Install OpenShift cluster.Configure cluster networking.Set up storage classes.Define persistent storage for applications.Configure authentication and authorization. Node Management: Add new nodes to the cluster.Remove nodes from the cluster.Monitor node health and capacity.Scale node resources based on workload. Application Deployment: Deploy applications using YAML manifests.Manage application deployments…

Lab Exercise 1: Deploying a Sample Application Objective: Deploy a simple web application to OpenShift. Lab Exercise 2: Scaling Applications Objective: Learn how to scale applications in OpenShift. Lab Exercise 3: Configuring Persistent Storage Objective: Set up persistent storage for an application. Lab Exercise 4: Implementing CI/CD with Jenkins Objective: Set up a Jenkins pipeline…

OpenShift Learning Roadmap: Stage 1: Understanding Containers Introduction to Containers: Learn the basic concepts of containers, including what they are, how they work, and their advantages.Recommended Resource: Docker Overview Docker Basics: Dive into Docker, the most widely used containerization platform.Learn how to create, run, and manage containers.Recommended Resource: Docker Documentation Stage 2: Introduction to Kubernetes…

OpenShift Sample Case Study (Tech Corp) Sample Applications of OpenShift in Enterprise Environments Abstract: This case study explores the real-world applications of OpenShift, a popular container orchestration platform, in enterprise environments. It showcases how OpenShift is utilized by a fictional Fortune 500 company, “TechCorp Inc.,” to address specific challenges and reap the benefits of containerization…

Customers Using OpenShift Product and Hiring Resources for OpenShift! Below are the companies that are Hiring for OpenShift Candidates: Please note: This data keep Changing. This data may not be accurate as well. This is for information purpose only and we do not take any responsibility if the data is not correct. 1. Red Hat (the…