ANAbhishek Negiindevnetworking.hashnode.dev·Jul 16, 2025 · 3 min read🛠️ Essential Networking Commands Cheat Sheet for DevOpsIf you're trying to debug why your server isn't responding, or why a DNS record isn't resolving, or if your app just randomly hangs — these are the commands you’ll turn to. So here it is — a quick but powerful guide to the most used networking comman...00
ANAbhishek Negiindevnetworking.hashnode.dev·Jul 15, 2025 · 4 min read☁️ Launching Your First AWS EC2 Instance + Security Groups Explained (Step-by-Step)When I first started using AWS, I’ll admit — the EC2 dashboard felt like a cockpit. So many buttons, tabs, and checkboxes. But once I got comfortable with launching an EC2 instance and understanding Security Groups, everything else started to make se...00
ANAbhishek Negiindevnetworking.hashnode.dev·Jul 14, 2025 · 4 min read🔌 15 Most Common Protocols & Ports Every DevOps Engineer Should KnowBecause if your service isn’t listening on the right port, is it even alive? One of the first things I had to figure out as I got deeper into DevOps was this: What protocols run where, and why does every tool ask about ports?! So I made a cheat sh...00
ANAbhishek Negiindevnetworking.hashnode.dev·Jul 12, 2025 · 4 min readOSI & TCP/IP Models Explained — The Way I Wish Someone Taught MeI’ll be honest — when I first heard about the OSI Model, I thought, “Great, just another boring theory thing to memorize.” But the more I started tinkering with servers, trying to troubleshoot connection issues, or configuring ports — the more I real...00
ANAbhishek Negiinawstasks.hashnode.dev·Jun 29, 2025 · 5 min readHow to Set Up AWS VPC, Transit Gateway, and CloudWatch: A Complete Guide for BeginnersAWS VPC: Key Concepts for Networking in the Cloud If you're diving into AWS, understanding the basics of Virtual Private Cloud (VPC) is essential. A VPC is like your own private network in the cloud where you can launch AWS resources such as EC2 inst...00