Mastering DevOps in 2026: A Complete Roadmap for Beginners

DevOps has transformed from a buzzword into one of the most sought-after skill sets in the tech industry. Organizations across the globe are racing to adopt DevOps practices to ship software faster, reduce failures, and build more reliable systems. If you are looking to break into DevOps or level up your existing skills, this guide is your complete roadmap. What is DevOps and Why Does It Matter? DevOps is the combination of cultural philosophies, practices, and tools that bridges the gap between software development (Dev) and IT operations (Ops). The goal is simple: deliver high-quality software faster and more reliably. ...

February 20, 2026 · 4 min · Nnine Training

What is Docker and Why Every Developer Needs to Know It

If you have spent any time in tech circles recently, you have heard about Docker. It is one of those technologies that once you understand it, you wonder how you ever lived without it. This guide will explain Docker from the ground up — no prior experience required. The Problem Docker Solves Picture this: you spend three days building a web application on your laptop. Everything works perfectly. You push the code to your teammate, and they message you: “It’s broken. Nothing works.” ...

February 10, 2026 · 4 min · Nnine Training