containerization-and-devops

Lab Experiment 1 – Comparison of Virtual Machines and Containers

Objective

• Understand differences between Virtual Machines and Containers.
• Install and configure VM using VirtualBox and Vagrant.
• Install and configure Containers using Docker on WSL.
• Deploy Nginx web server in both environments.
• Observe system resource utilization.

Tools Used

• VirtualBox
• Vagrant
• Ubuntu
• WSL
• Docker
• Nginx
• VS Code

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Part A – Virtual Machine Setup

Step 1 – Download VirtualBox

Step 2 – Install Vagrant

Step 3 – Initialize Vagrant

vagrant init hashicorp/bionic64

Step 4 – Start VM

vagrant up

Step 5 – VM Created

Step 6 – VM Running

Step 7 – SSH into VM

vagrant ssh

Step 8 – Start Nginx in VM

sudo systemctl start nginx

Step 9 – Verify Nginx

curl localhost

Step 10 – Virtualization Enabled

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Part B – Docker Container Setup

Step 1 – Open WSL

Step 2 – Run Docker Nginx

docker run -d -p 8080:80 --name nginx-container nginx

Step 3 – Verify Container Output

curl localhost:8080

Step 4 – Monitor using htop

htop

Step 5 – Check Memory

free -h

Step 6 – System Analyze

systemd-analyze

Step 7 – Docker Stats

docker stats

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Result

Successfully compared VM and Container performance.

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All Labs

• Lab 1 — VM vs Container Comparison (You are here)
• Lab 2 — Docker Installation & GitHub Pages
• Lab 3 — Docker Images, NGINX & Flask Deployment
• Lab 4 — Docker Essentials
• Lab 5 — Volumes, Env Vars, Monitoring, Networks
• Lab 6 — Docker Run vs Docker Compose