Welcome & Orientation 2 Lessons Welcome to Linux & DevOps Start Checklist (Download) Start Step 1: Linux Core 5 Lessons Overview Start Mastering Linux Command Line from Scratch Start Mastering Bash Shell Scripting Start Mastering Secure Shell (SSH) Start Mastering Putty for Beginners Start Step 2: Networking Basics 3 Lessons Overview Start IP Addresses & Subnetting Start Encryption with OpenSSL Start Step 3: DevOps Tools 6 Lessons Overview Start Docker Fundamentals Start YAML Fundamentals Start Git Essentials Start Git – Branching & Merging Start Git – Searching, Reset, Rewriting History Start Step 4: Projects / Hands‑On 4 Lessons Overview Start Docker Mini‑Project Start YAML Project Start Git Workflow Project Start Step 6: Capstone Project 1 Lesson Linux + Docker Mini Application Start