All posts in OpenShift

here’s a clear, structured breakdown of the Best DevOps Tools (grouped by categories), so you can use it for learning, training, or posts. 🚀 Best DevOps Tools in 2025 1….

Below is the 100% correct and updated step-by-step guide to install and configure OpenShift Local (aka CRC) on Windows 10/11 laptops or desktops using the correct crc commands. ✅ Overview:…

Step-by-Step Guide: Configuring Azure Red Hat OpenShift (ARO) with a Custom Domain Setting up a custom domain for your ARO cluster involves both Azure and DNS provider configurations. Follow these…

Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday Landmark, stock market…

Adding a Helm repository in OpenShift is a common step to manage and deploy Helm charts in your OpenShift cluster. OpenShift supports Helm CLI out of the box, and also…

Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday Landmark, stock market…

In this lesson, you will learn how to create an instance of a database in the Developer Sandbox using the oc CLI tool, and ultimately bind a Node.js application to that database. What you need to…

Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday Landmark, stock market…

Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday Landmark, stock market…

Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday Landmark, stock market…

Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday Landmark, stock market…

Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday Landmark, stock market…

Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday Landmark, stock market…

In this lesson, you will learn how to access the terminal window within the Red Hat OpenShift web console and use it to work with various OpenShift and Kubernetes resources…

Manual – https://docs.redhat.com/en/documentation/red_hat_openshift_serverless/1.30/html/functions/index OpenShift Serverless Function is a feature of Red Hat OpenShift that enables you to build, deploy, and manage event-driven serverless workloads using the Function-as-a-Service (FaaS) paradigm, directly…

Absolutely! Here’s a comprehensive list of the Top 100 most frequently used oc (OpenShift CLI) commands, with a quick explanation for each. This will help you navigate OpenShift clusters efficiently,…

In this lesson, you will: Build the application from a container image To build your application from a container image, switch to the Developer view in your OpenShift dashboard (Figure 8): Next,…

In this lesson, you will: Get that cluster Once you’ve secured your own cluster, select Start using your sandbox to begin your future (Figure 1).  Build the application from source code To…

Prerequisites What you will learn In this learning path, you will: How long will this learning path take? In this lesson, you will: Creating the deployment The Pet Clinic application uses…

There are many ways to deploy Kubernetes, depending on your needs (learning, production, cloud-native, on-premises, bare metal, multi-cloud, etc). Here’s a structured list of the main ways people deploy Kubernetes…

The software and IT industry is home to a diverse array of job roles and titles, reflecting the dynamic and ever-evolving nature of technology. From core technical positions like Software…

Here’s a complete, step-by-step tutorial — with explanations — to add OperatorHub.io operators to OpenShift by creating a custom CatalogSource pointing to their community catalog image from Quay.io. 🎯 Goal…

👉 What ImageStream really gives you👉 Why OpenShift uses it👉 How it’s better (in some cases) than just pulling a normal image 🧠 First, imagine two situations: 🔵 Situation 1:…

URL – https://access.redhat.com/articles/RegistryAuthentication Step 1 – Access – https://access.redhat.com/articles/RegistryAuthentication Step 2 – https://access.redhat.com/terms-based-registry/accounts Step 3 – https://access.redhat.com/terms-based-registry/token/aro Step 4 – Local pull-secret at openshift Step 5 – Step 6 –…

URL – https://www.devopsschool.com/blog/kubernetes-cks-network-policy-example-code/ 🔐 OpenShift NetworkPolicies Tutorial (with httpd in test2 namespace) 🎯 Goal You will: ✅ Deploy an httpd server✅ Launch test clients to access it✅ Apply NetworkPolicy to:…

✅ What is OpenShift BuildConfig? BuildConfig in OpenShift is a Kubernetes-native custom resource provided by OpenShift that defines how to build a container image from source code. It automates the…

Here’s a comprehensive list of localization and translation platforms categorized into Open Source, Cloud-based (SaaS), and Self-hosted/Enterprise solutions. Each tool includes a key feature, and at the end, you’ll find…

OpenShift DeploymentConfigs are a core resource in OpenShift used to manage the deployment and lifecycle of applications. While Kubernetes uses Deployments to manage the rolling updates of applications, OpenShift introduces…

To add a node to an OpenShift cluster running locally using OpenShift Local (previously known as CodeReady Containers or CRC), the process involves configuring a multi-node cluster in OpenShift Local….