devops-vivek.hashnode.devBash Scripting Journey — Two Real-World Automation Scripts Completed!As part of my Bash scripting learning journey, Week 3 pushed me into real-world Linux automation scenarios.This week, I built two scripts that a system administrator or DevOps engineer could actually use on the job: User Account Management Script A...Aug 13, 2025·3 min read
devops-vivek.hashnode.devLinux for DevOps: Users, Permissions & Log Analysis (with Practical Tasks + Log File)Whether you're starting with Linux or diving deeper into DevOps workflows, this guide walks you through real-world, hands-on tasks for managing users, permissions, and analyzing logs — all essentials for DevOps engineers. 1️⃣ User & Group Management ...Jul 10, 2025·3 min read
devops-vivek.hashnode.devHow I Launched My First AWS EC2 Instance and Secured It with Security Groups (Beginner Friendly Guide)Cloud computing is one of the core pillars of DevOps, and AWS EC2 is often the starting point. In this guide, I’ll walk you through how I launched my first EC2 instance and set up Security Groups to protect it—step by step! 🧱 What is EC2? EC2 (Elast...Jun 30, 2025·2 min read
devops-vivek.hashnode.devUnderstanding IP and MAC Addresses: A Must-Know for Every DevOps EngineerIn the world of DevOps, networking is like the nervous system of the infrastructure. While tools and pipelines often take center stage, understanding the basics of IP addresses and MAC addresses is fundamental—especially when dealing with cloud archi...Jun 29, 2025·3 min read
devops-vivek.hashnode.dev🌐 How the Internet Actually Works (And What I Learned While Studying Networking)We use the internet every day — but have you ever stopped to ask how it really works behind the scenes? While learning about networking, I had one of those “Whoa, now it makes sense!” moments. In this blog, I’ll break down what I learned in a simple,...Jun 26, 2025·3 min read