Ravindra Naik

Shell Scripting for DevOps: A Complete Practical Guide

Shell scripting is one of the most important skills for any DevOps engineer. Whether you're automating server setup, deploying applications, or managing infrastructure, bash scripts are everywhere. Th

From Zero to DevOps: Git, Shell Scripting & Bash Fundamentals You Must Know

A structured deep-dive into version control systems, shell scripting concepts, variables, conditions, functions, and redirections — built for DevOps engineers starting their journey. Table of Conten

DNS Deep Dive: How the Internet Knows Where to Take You

Ever wondered what really happens when you type a URL and hit Enter? Spoiler: it's not magic — it's DNS, and it's beautifully engineered. Table of Contents What Is DNS? Domain Registrars — Where I

From AMI to API: Provisioning MySQL, Node.js REST Backend & NGINX Reverse Proxy with Systemd on AWS RHEL 9 — A Complete 3-Tier DevOps Deployment Guide

The Complete Linux Administration & Vim Handbook: From Zero to DevOps Hero

A structured, battle-tested reference for developers, sysadmins, and DevOps engineers covering Vim mastery, user management, permissions, networking, and system architecture. Table of Contents Vim