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Getting Started

Environment Setup

Virtual Machine

  1. Download VirtualBox from https://www.virtualbox.org/
  2. Download Ubuntu Server 24.04 ISO
  3. Create VM: 2 CPU, 4GB RAM, 20GB disk, bridged network
  4. Install Ubuntu Server (minimal)
  5. Run: bash shared/scripts/setup.sh

WSL2 (Windows)

wsl --install

Reboot. Open Ubuntu. Run: bash shared/scripts/setup.sh

Cloud VM

  1. Create account with AWS, GCP, or Oracle Cloud
  2. Launch Ubuntu 24.04 instance
  3. Allow SSH (port 22) in security group
  4. Connect: ssh -i key.pem ubuntu@ip
  5. Run: bash shared/scripts/setup.sh

Docker

docker run -it --name linux-bootcamp -v $(pwd):/course ubuntu:24.04 bash
apt update && apt install -y vim nano curl wget git

First Steps

cd 01-foundations
cat README.md

Learning Tips

  • Type every command manually. Do not copy-paste.
  • Break things intentionally. Fix them to learn.
  • Explain concepts aloud or in writing to test understanding.
  • Review previous material on days 1, 3, 7, 14, 30.
  • Complete every lab before moving to the next week.

Common Issues

Permission denied

sudo command
ls -la file   # check permissions

Command not found

sudo apt install package
which command   # check PATH

Connection refused

sudo systemctl status service
sudo ufw status