[Docker Homelab EP 1] Docker vs Virtual Machines Explained + First Container (Hands-On Tutorial)
🚀 Welcome to Episode 1 of the Docker Real-World Simulation Series!
In this video, we start with the basics of Docker by comparing *Docker vs Virtual Machines* and understanding why Docker is faster, lighter, and the backbone of modern DevOps.
Then we’ll break down *key Docker concepts* (images, containers, layers, registries, client-server model) in simple terms.
Finally, we’ll *install Docker step by step* on a fresh Ubuntu VM and run our very first container – `hello-world`.
This isn’t just another Docker tutorial — it’s a *real-world DevOps lab* where you’ll see mistakes, fixes, and production-ready practices.
🎯 What you’ll learn in Episode 1:
Docker vs Virtual Machines (with diagrams)
Core Docker concepts explained simply
Installing Docker on Ubuntu the right way
Running your first container
Debugging common setup issues
👉 Watch till the end for a sneak peek at the next simulation, where we Dockerize a real web app and debug mistakes step by step.
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* Chapters*
00:00 – Docker vs Virtual Machines Speed Test
01:23 – Virtual Machine Architecture Explained
02:37 – Docker Architecture Explained
04:15 – Core Docker Concepts (Images, Containers, Layers, Registry)
07:17 – Docker Client–Server Model
08:38 – Installing Docker on Ubuntu VM (Step by Step)
11:00 – First Container Fail & Debugging Docker Daemon
12:16 – Fixing Permission Denied Error
13:32 – Running First Container (Nginx + Hello World)
14:52 – Recap: Docker vs VM + Core Concepts
15:07 – Next Episode Sneak Peek (Debugging a Real App)
#Docker #DevOps #VirtualMachines #Containers #LearnDocker #CloudComputing #DevOpsEngineer