The AWS Builder

Welcome to  Day 13 of the DevOps Series. As infrastructure grows, managing servers manually becomes difficult and error-prone. This is where Ansible plays a major role in DevOps by enabling automation, consistency, and scalability . In Day 13, we focus on hands-on Ansible basics — from installation to running our first playbook. ✅ What We’ll Learn Today How to install Ansible Why passwordless SSH is required Running Ansible ad-hoc commands Creating inventory files Writing and executing Ansible playbooks Understanding verbose logs Introduction to Ansible roles 🔹 1. Ansible Installation Ansible is usually installed on a control node (your laptop or EC2 instance). On Ubuntu: sudo apt update sudo apt install ansible -y Other platforms: Mac: Homebrew ( brew install ansible ) Windows: Chocolatey (mainly for testing) 📌 Using package managers is recommended because they handle dependencies automatically. Verify installation: ansible --ve...

Welcome to  Day 12 of the DevOps Series. As infrastructure started moving to the cloud, managing servers manually became nearly impossible. Imagine handling hundreds or thousands of servers — installing packages, applying security patches, updating configurations — all by logging in one by one. This challenge led to the rise of Configuration Management tools , and among them, Ansible became one of the most popular tools in DevOps . 🔧 What is Configuration Management? Configuration management is the process of: Maintaining consistent server configurations Installing and updating software automatically Applying security patches Ensuring all environments (dev, test, prod) remain identical Earlier, engineers used: Shell scripts for Linux PowerShell scripts for Windows But as cloud, auto-scaling, and microservices grew, this approach became difficult to maintain and scale. That’s where tools like Ansible, Puppet, Chef, and Salt came in. 🧰 Popular Con...

Welcome to Day 11 of the DevOps Series. In the previous blog, we learned about Git branching strategies . Today, we’ll understand how code actually moves between branches using: Git Merge Git Rebase Pull Request (PR) workflow These concepts form the real DevOps development flow followed in organizations. 🔁 Why Merging Is Required In real projects: Developers work on feature branches Main branch contains stable code Once a feature is completed and tested, it must be combined back into the main branch. This process is called merging . 🔀 Git Merge Git merge is the safest and most commonly used method. Example: git checkout main git merge feature/login What happens? Git combines feature branch changes into main Creates a merge commit Preserves complete history Advantages: Safe Easy to understand Used in most enterprise projects Disadvantage: Commit history can become messy in large projects 🔄 Git Rebase Rebase is used to ...

 Welcome to Day 10 of the DevOps series . In the previous blog, we learned Git fundamentals and basic commands. Today, we move one step deeper into real-world development workflows by understanding Git branching strategies . Branching is one of the most important concepts in Git — and also one of the most misunderstood. 🌱 Why Do We Need a Branching Strategy? In real organizations: Multiple developers work at the same time New features are developed continuously Bug fixes must be delivered urgently Releases must go to customers on time If everyone works directly on the same branch, it creates: Code conflicts Broken production builds Delayed releases To solve this, teams follow a Git branching strategy . 🌿 What Is a Branch? A branch is a separation of existing code. It allows developers to: Work independently Add new features Make breaking changes safely Test without affecting main code Once the feature is stable and tested: ...

Welcome to Day 9 of the DevOps journey . Today’s focus is on one of the most important tools in software development — Git and GitHub . Before learning CI/CD, Docker, or cloud automation, every DevOps engineer must clearly understand Version Control Systems (VCS) — because DevOps starts with code collaboration and change management . 🔍 What Is a Version Control System (VCS)? A Version Control System helps developers: Track changes in code Collaborate with multiple developers Restore older versions when something breaks In real-world projects, applications contain hundreds or thousands of files , and multiple developers work on them at the same time. Managing this manually becomes nearly impossible. That’s where VCS comes in. ❗ Problems Without Version Control 1️⃣ Code Sharing Problem In early days, developers shared code using: Email USB drives File servers This caused: Missing files Dependency issues Conflicts between developers Managing...