Hybrid Multi‑Cloud Migration with Zero Downtime

Overview Migrating from Google Cloud (Cloud Run + GKE) to AWS EKS while serving users from both environments requires careful planning. The goal is to gradually shift traffic to AWS…

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Docker Desktop vs Rancher Desktop – Comprehensive Comparison

When comparing Docker Desktop vs Rancher Desktop, especially in 2025 with Apple Silicon, open-source trends, and license changes in mind, it’s important to break down all key differences, similarities, and…

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OpenShift Install & Configurations using OKD in (Bare Metal / UPI / AWS)

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…

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OpenShift: How to Install OpenShift CLI oc

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,…

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OpenShift Tutorial – Basic Learning Workflow

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) 🔹…

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Openshift: Comprehensive Guide: oc vs kubectl CLI

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…

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Openshift Local: crc command lines guide

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…

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Dynatrace Tutorials: Oneagent Command line & Configuration

Dynatrace Oneagent configuration file location The location of the Dynatrace OneAgent configuration file can vary depending on the operating system and installation method. In general, the configuration file is located…

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Dynatrace Architecture and Components: A Comprehensive Guide

Dynatrace Architecture and Components: A Comprehensive Guide Introduction Dynatrace is a full-stack observability platform designed to monitor, analyze, and optimize the performance of applications, infrastructure, and user experience in real-time….

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Dynatrace Architecture and Components: A Comprehensive Guide

Dynatrace Architecture and Components: A Comprehensive Guide Introduction Dynatrace is a full-stack observability platform designed to monitor, analyze, and optimize the performance of applications, infrastructure, and user experience in real-time….

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Dynatrace OneAgent Monitoring Mode

Dynatrace OneAgent Monitoring Modes define how deeply OneAgent monitors your systems, depending on the level of access and the environment it’s running in. These modes let you balance observability vs….

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Comprehensive Guide to Solving 429 Too Many Requests in Laravel and Microservices

🚫 What is HTTP 429 – Too Many Requests? HTTP 429 means the client has sent too many requests in a given amount of time (rate limiting). Laravel triggers this…

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Production-Ready Setup: Apache + Laravel + Docker + Dynamic Reverse Proxy for Multiple Users

This updated guide explains how to implement a scalable, production-ready setup where each user gets a Docker container and unique subdomain like user123.wizbrand.com, without creating new Apache VirtualHosts for each….

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Step-by-Step Tutorial: Dynamic Container URL Routing using Apache (XAMPP) for Multi-User Laravel App

This tutorial guides you through setting up a multi-user container-based architecture using: We’ll configure Apache to dynamically proxy subdomains like user123.wizbrand.com to each user’s container (e.g., port 9123). 🏠 1….

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What is SLIs?

What are SLIs? Service Level Indicators (SLIs) are carefully defined quantitative measures of some aspect of the level of service that is provided. They form the foundation of reliability engineering…

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Openshift Local: crc troubleshooting guide

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….

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OpenShift: Compare OKD vs CodeReady Containers vs OpenShift Local

🧠 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…

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What is Amazon Redshift?

🟥 The Complete Guide to AWS Redshift – Cloud Data Warehousing at Scale As the digital economy expands, the amount of data generated by businesses is growing exponentially. From customer…

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The Ultimate Guide to AWS Glue – Serverless Data Integration at Scale

In today’s data-driven world, organizations are collecting data from a wide range of sources — websites, mobile apps, IoT devices, logs, third-party APIs, databases, and more. But collecting data is…

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Amazon Data Firehose – The Ultimate Guide

In an era where data is the new oil, the ability to capture and process streaming data efficiently has become critical for businesses. Whether it’s website activity logs, IoT sensor…

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What is Amazon Kinesis?

🚀 Understanding Amazon Kinesis: Real-Time Data Streaming at Scale In today’s data-driven world, where information flows in real-time from applications, websites, IoT devices, and mobile apps, businesses need a powerful…

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5 Common LMS Development Pitfalls to Avoid (And How to Build a Solution That Actually Works)

Recent years have seen an increase in the rate at which the e-learning industry is growing, with a global market expected to reach over $400 billion by 2026. With learning…

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Behind the Pixels: Debugging Tips for Online Casino Game Developers

Developing an online casino game is an exciting yet highly intricate task. The stakes are incredibly high — both literally and figuratively — because casino games involve real money, fairness,…

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Best Practices for Securing DevOps Workflows from Cyber Threats

DevOps security relates to the security of the systems, tools, and processes for building and delivering applications. In traditional models, security operations tend to function in a silo. The new…

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AWS Tutorials: AWS Gateway API Controller Setup Verification Checklist on EKS

✅ AWS Gateway API Controller Setup Verification Checklist for Kubernetes Gateway API (EKS) This guide ensures a full production-ready setup for AWS Gateway API Controller integrated with Amazon VPC Lattice…

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AWS Tutorial: How to Give AWS Permissions to Pods in EKS?

Here’s a comprehensive tutorial on how to assign AWS permissions to Pods running in Amazon EKS, covering: 🧩 Problem Statement In Kubernetes (EKS), your Pods often need to access AWS…

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MLflow Lab: End-to-End Workflow on Databricks

Absolutely! Let’s walk through a complete, step-by-step tutorial to help you understand MLflow on Databricks from start to finish, using revised and working code. We’ll cover all key components of…

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MLFlow Lab: Cat vs Dog Classifier

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…

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MLflow using Laptop vs Databricks vs Azure Vs SageMaker vs Kubernetes

Parameter MLflow on Laptop Databricks MLflow Azure ML + MLflow SageMaker + MLflow MLflow on Kubernetes Setup Complexity Very Low None (Fully Managed) Medium Medium High Ease of Use Easy…

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Worlds Best Tech Websites in 2025

The world’s best tech websites in 2025 serve as central hubs for innovation, cutting-edge insights, and up-to-the-minute industry developments. These platforms go beyond basic news reporting, offering in-depth analyses, thought-provoking…

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