All posts in OpenShift

🔐 What are Security Context Constraints (SCC) in OpenShift? Security Context Constraints (SCC) are OpenShift’s mechanism for controlling security-sensitive aspects of how containers run in the cluster. SCCs define a…

OpenShift provides officially supported container images that are fully compliant with its security and operational requirements. These images are designed to run smoothly on OpenShift with non-root users, proper permissions,…

# Deployment Method Platform/Infra Best Use Case Automation Level Notes 1 IPI (Installer-Provisioned Infra) AWS, Azure, GCP, vSphere Fast, full-stack automated production setup ✅ Fully automated Installer provisions infra and…

Here is the latest step-by-step guide (as of May 2025) to install and configure OpenShift using Azure Red Hat OpenShift (ARO) directly from the Azure Portal. ☁️ What is Azure…

Here is the correct and updated step-by-step guide to install and configure OpenShift Local (formerly CRC – CodeReady Containers) on Linux laptops/desktops for local development and testing. 🐧 OpenShift Local…

Here is the step-by-step guide to correctly install and configure OpenShift Local (CRC) on macOS laptops or desktops for local OpenShift 4.x development. 🍎 OpenShift Local on macOS – Overview…

🚀 OpenShift 4 Advance Training (Administrator + Developer) 📌 Section 1: Why Learn OpenShift? OpenShift is the world’s leading Kubernetes platform, trusted by enterprises across industries for running mission-critical applications…

Let me explain very clearly, so you fully understand why some images work, some don’t in OpenShift 🚀: 🎯 Big Picture: OpenShift Is Different from Vanilla Kubernetes Topic Kubernetes OpenShift…

Imagine a FinTech company (like a bank or payment platform) running critical apps. They need: They deploy OpenShift 4.14 like this: 🧩 Architecture Diagram (High Level) 🔥 Infrastructure Components Layer…

Kubernetes = Open-source container orchestration platform (base engine).OpenShift = Red Hat’s enterprise platform built on top of Kubernetes + many important extras: ✅ Enterprise features✅ Security features✅ Developer-friendly tools✅ Built-in…

Feature DeploymentConfig (DC) Deployment (K8s Deployment) Belongs to OpenShift-only (legacy) Kubernetes-native (standard) API Group apps.openshift.io/v1 apps/v1 First Introduced OpenShift 3.x Kubernetes 1.x Purpose Deploy/manage pods with extra OpenShift features like…

]If you’re aiming to learn OpenShift without having a Red Hat subscription and want to deploy it on Azure using Azure Red Hat OpenShift (ARO), you’re in a great spot….

To fully clean up and remove CRC (OpenShift Local) from your Mac — including all configuration, VM, cache, and logs — follow this step-by-step CRC full cleanup guide. 🧹 Step-by-Step…

This guide assumes you already have OpenShift Local (formerly CRC) installed and running on your macOS or Linux machine. Now it’s time to level up your OpenShift skills with advanced,…

Here is the latest, step-by-step complete guide to install and configure OKD — the open-source version of OpenShift — along with an introduction to what OKD is. 🧩 What is…

Option – 1 – REDHAT Websites URL – https://access.redhat.com/downloads/content/290/ver=4.18/rhel—9/4.18.11/x86_64/product-software Option – 2 – OKD Websites The OKD (Origin Community Distribution of Kubernetes for OpenShift) is the open-source version of OpenShift,…

How to login? Login to the Web Console and CLI on CRC Copy the admin URL and kubeadmin credentials → open in browser. ✅ Step 2: Understand Projects (Namespaces) 🔹…

Here’s a comprehensive guide comparing the oc (OpenShift CLI) and kubectl (Kubernetes CLI) commands, focusing on their differences, similarities, and real-world usage. This is especially useful for OpenShift developers or…

Here’s a clean and well-structured table listing all the crc commands along with their descriptions: Command Description bundle Manage CRC bundles (download, add, list bundles for OpenShift) cleanup Undo system…

If crc is not creating a VM even after setup, and you’re using Windows 11 with Hyper-V, here’s how you can check the logs and troubleshoot the issue: ✅ 1….

🧠 First, let’s define each term clearly: 1. 🔵 OKD 2. 🟠 CodeReady Containers (CRC) 3. 🟢 OpenShift Local 📊 Comparison Table Feature OKD CodeReady Containers (CRC) OpenShift Local Type…

Awesome — you’re looking for a clear, detailed comparison of the best alternatives to OpenShift. Let’s break it down with exact comparisons, so you can see what matches OpenShift feature-for-feature,…

🚀 Best Multi-Cluster Kubernetes Orchestration Platforms Managing multiple Kubernetes clusters across different cloud providers, on-premises, or hybrid environments requires specialized orchestration platforms. Below are the top tools for multi-cluster Kubernetes…

Below is a structured table of problem areas, each with a primary and secondary tool recommendation to guide your learning in MLOps and Machine Learning. This table will serve as…

What is OpenShift? OpenShift is a family of containerization software products made by Red Hat. The most popular offering is OpenShift Container Platform, a hybrid cloud platform as a service…

The cloud orchestration landscape continues to evolve rapidly in 2024, driven by increasing needs for hybrid and multi-cloud management, enhanced security, and automation powered by AI/ML. Here’s an overview of…

List of some popular containerization tools in 2024, categorized by their primary function: Container Runtime Engines: Container Orchestration Platforms: Image Registry and Management: Container Networking: Extra Tools: This is not…

About this certification Dynatrace Professional Certification validates that you have knowledge of the Dynatrace infrastructure, installation and configuration, data collection and analysis, integration points, and visualization concepts. This page provides…