01-local-kubernetes-setup-options
What You Will Learn By the end of this guide you will: Understand what a local Kubernetes environment is and why you need one Know the four …
May 27, 2026
Read more
Devops
48 articles
Why Kubernetes required: Everything You Need to Know
A comprehensive guide to understanding why kubernetes required and which all type of EC2 problems overcome using kubernetes. 🚀 From EC2 …
Apr 23, 2026
Read more
Kubernetes Complete Commands Reference Guide
Overview This guide is your go-to reference for every kubectl command you will ever need. Rather than just listing commands, each section …
Apr 17, 2026
Read more
Jenkins Shared Library — Complete Guide for AWS & DevOps Engineers
A comprehensive, real-world reference for building, structuring, and consuming Jenkins Shared Libraries in enterprise CI/CD pipelines — …
Apr 17, 2026
Read more
Jenkins Complete Reference Guide for AWS & DevOps Engineers
All topics include Script Console (Groovy) and CLI (jenkins-cli.jar) usage. Table of Contents # Topic Category 01 Installation & Setup …
Apr 17, 2026
Read more
Jenkins Scenario-Based Interview Questions and Answers (2026)
Section 1 — Jenkins Architecture & Setup Q1 Your team is growing from 10 to 150 engineers. The existing single Jenkins master is …
Apr 16, 2026
Read more
Jenkins interview questions and answers and Answers (2026) - Part 01
Q1 Explain the master-slave architecture in Jenkins? Basic Ans: This architecture is commonly used to distribute the workload and to scale …
Apr 16, 2026
Read more
Git Scenario-Based Interview Questions and Answers
Q1 Your team of 20 engineers is working on a SaaS product with weekly releases and hotfix needs. Which branching strategy would you …
Apr 16, 2026
Read more
Git Interview Questions and Answers (2026) Part 01
Basic Interview Questions Q1 What is `origin` in Git? Basic In Git, origin refers to the default name given to the remote repository from …
Apr 16, 2026
Read more
How to Install and Configure Docker on Ubuntu 24.04
Overview Docker is an open-source containerization platform that lets you package applications and their dependencies into lightweight, …
Apr 8, 2026
Read more
Kubernetes Architecture Deep Dive: Everything You Need to Know
☸️ Kubernetes Architecture Deep Dive (2025): Everything You Need to Know A comprehensive guide to understanding how Kubernetes works under …
Apr 8, 2026
Read more
Docker Scenario Interview Questions and Answers
Q1 Your team has a new developer who needs to run a Node.js app without installing Node.js locally. How would you help them using Docker? …
Apr 7, 2026
Read more
How to Install and configure Nginx on Ubuntu 24 04
Overview Nginx (pronounced engine-x) is one of the world’s most popular open-source web servers. It is also widely used as a reverse …
Apr 6, 2026
Read more
Kubernetes for Absolute Beginners
What You’ll Learn This course is designed for absolute beginners who want to master Kubernetes from scratch. You’ll understand …
Jan 20, 2026
Read more
06-Exploring-kubectl-commands
Exploring kubectl — Your Kubernetes Command Line Tool kubectl is your primary interface to a Kubernetes cluster. Whether you are running …
Jan 20, 2026
Read more
05-Install-minikube-on-Mac
Prerequisites (All Platforms) Before installing Minikube, make sure your machine meets these requirements: CPU: 2 cores or more RAM: 2 GB …
Jan 20, 2026
Read more
04-Install-minikube-on-Linux
Prerequisites (All Platforms) Before installing Minikube, make sure your machine meets these requirements: CPU: 2 cores or more RAM: 2 GB …
Jan 20, 2026
Read more
03-Install-minikube-on-Windows
Prerequisites (All Platforms) Before installing Minikube, make sure your machine meets these requirements: CPU: 2 cores or more RAM: 2 GB …
Jan 20, 2026
Read more
03-Deployment-concepts-with-real-examples
3.1 What Is a Deployment? A Deployment is the recommended and most commonly used way to manage stateless applications in Kubernetes. It …
Jan 20, 2026
Read more
02-What-is-Minikube
What is Minikube? When you’re learning Kubernetes, you don’t need a full cloud cluster running on AWS, GCP, or Azure. You need …
Jan 20, 2026
Read more
02 - Replicaset concepts with real examples
Kubernetes Core Concepts — ReplicaSet 2.1 What Is a ReplicaSet? A ReplicaSet is a Kubernetes controller whose job is to ensure that a …
Jan 20, 2026
Read more
01 - Kubernetes Core Concept - Pod
Kubernetes Core Concepts — Pod Before you can deploy real applications on Kubernetes, you need a solid understanding of the three most …
Jan 20, 2026
Read more
Docker
What You’ll Learn This course takes you from Docker zero to production hero. Whether you’re a developer wanting to containerize …
Jan 15, 2026
Read more
03-When TO Use Kubernetes
Kubernetes shines in specific contexts. Use it when: ✅ 1. You Have Multiple Microservices (5+) Once you cross ~5 independently deployable …
Jan 15, 2026
Read more
02-Kubernetes in the Real World - How Companies Actually Use It
🌍 Who Uses Kubernetes? Kubernetes is not a startup toy — it powers some of the most critical infrastructure on the planet. Company Scale Use …
Jan 15, 2026
Read more
Course Introduction
What You’ll Learn This course is designed for absolute beginners who want to master Kubernetes from scratch. You’ll understand …
Jan 15, 2026
Read more
Course Introduction
What You’ll Learn This course takes you from Docker zero to production hero. Whether you’re a developer wanting to containerize …
Jan 15, 2026
Read more
01-Why kubernetes Important
🕰️ The World Before Kubernetes Era 1 - The Bare Metal Age (Pre-2000s) Applications ran directly on physical servers. One app, one server (or …
Jan 15, 2026
Read more
01-What is Docker?
The Problem Docker Solves You’ve probably heard the classic developer complaint: “It works on my machine!” — but breaks in …
Jan 15, 2026
Read more
01-Kubernetes Architecture Deep Dive
What is Kubernetes? Kubernetes (K8s) is an open-source container orchestration platform that automates the deployment, scaling, and …
Jan 15, 2026
Read more
Python Interview Questions & Answers (2026) Part 01
🐍 Python Scripting for AWS — Interview Questions & Answers Real-world Python + AWS (boto3) scripting scenarios asked at top tech …
May 19, 2025
Read more
Kubernetes Interview Questions & Answers (2026) part 05
Kubernetes & EKS Interview Questions & Answers for AWS Cloud and AWS DevOps Engineer A comprehensive guide covering Basic, …
May 18, 2025
Read more
Kubernetes Interview Questions & Answers (2026) part 04
80+ scenario-based questions · Real-world answers · Production patterns · YAML manifests Q1 Explain Kubernetes architecture to a new team …
May 18, 2025
Read more
Terraform Interview Questions & Answers (2026) Part 02
🟣 Terraform × ☁️ AWS — Scenario-Based Interview Guide 45+ scenario-based questions · Real-world answers · Production patterns · HCL code …
Apr 26, 2025
Read more
Terraform Interview Questions & Answers (2026) Part 01
Q1 What is Terraform and how does it work? Basic Ans: Terraform is an open-source Infrastructure as Code (IaC) tool by HashiCorp that lets …
Apr 26, 2025
Read more
Prometheus & Grafana Interview Questions & Answers (2026) Part 01
Q1 Prometheus shows a target as DOWN in the Targets UI. The service is running and accessible. How do you troubleshoot? Intermediate Ans: …
Apr 26, 2025
Read more
Linux Interview Questions & Answers (2026) Part 03
Q1 You cannot SSH into your EC2 instance. How do you systematically troubleshoot? Basic Answer: Work through each layer from outside in: …
Apr 26, 2025
Read more
Linux Interview Questions & Answers (2026) Part 02
A comprehensive guide covering real-world scenarios for Linux, Ubuntu, and AWS EC2 interviews. Q1 You launched an EC2 instance but cannot …
Apr 26, 2025
Read more
Linux Interview Questions & Answers (2026) Part 01
Q1 Explain the booting process of Linux. Basic Ans: BIOS/UEFI - Hardware runs Power-On Self Test (POST). BIOS/UEFI finds the bootable …
Apr 26, 2025
Read more
Kubernetes Interview Questions & Answers (2026) Part 02
Q1 What is Kubernetes and why do we need it? Basic Ans: Kubernetes (K8s) is an open-source container orchestration platform that automates …
Apr 26, 2025
Read more
Docker Interview Questions & Answers(2026) Part 02
Q1 What is Docker and why is it used? Basic Ans: Docker is a platform for building, shipping, and running applications inside containers — …
Apr 26, 2025
Read more
CI/CD & DevOps Interview Questions & Answers (2026)
Q1 What is DevOps and why is it important? Basic Ans: DevOps is a culture and set of practices that brings together software Development …
Apr 26, 2025
Read more
AWS Interview Questions & Answers (2026)
Q1 What is cloud computing? Explain IaaS, PaaS, and SaaS. Basic Ans: Cloud computing delivers computing resources (servers, storage, …
Apr 26, 2025
Read more
AWS Cloudwatch Interview Questions & Answers (2026) Part 01
📊 Monitoring & Observability Interview Questions Scenario-based interview questions for AWS CloudWatch, Prometheus, and Grafana Q1 Your …
Apr 26, 2025
Read more
Kubernetes Interview Questions & Answers (2026) part 03
30 real-world scenario questions across 14 categories. Every answer explains what, why, and how — the way a senior Kubernetes/DevOps …
Jan 20, 2025
Read more
Kubernetes Interview Questions & Answers (2026) part 01
Q1 What is Kubernetes and why do we use it? Basic Kubernetes (K8s) is an open-source container orchestration platform originally built by …
Jan 20, 2025
Read more
Docker Complete Guide: Containers from Zero to Production
What is Docker? Docker packages your application and all its dependencies into a container — a lightweight, isolated, portable unit that …
Feb 1, 2024
Read more
Script 1: Write a Python script to start/stop EC2 instances based on a schedule tag
🕐 EC2 Auto Scheduler — Stop & Start Instances on a Schedule Using Python & AWS Lambda Automatically stop your EC2 instances at 8 PM …
Jan 1, 0001
Read more