Resources: Linux Administration Basics
Interactive Learning
- Linux Journey — Free interactive Linux tutorial from basics to advanced
- OverTheWire: Bandit — Learn Linux commands through a game
- Vim Adventures — Learn Vim through a game
Documentation
- Linux Command Library — Searchable reference for all commands
- Ubuntu Server Guide — Official Ubuntu server documentation
- Amazon Linux 2023 User Guide — AWS's Linux distribution
Videos
- Linux for Beginners (freeCodeCamp) — 5-hour comprehensive course
- Linux File Permissions (NetworkChuck) — 15-minute explanation
- SSH Crash Course (Traversy Media) — 30-minute SSH tutorial
Practice Environments
- AWS CloudShell — Free Linux terminal in your browser (requires AWS account)
- Killercoda — Free interactive Linux scenarios in the browser
- WSL (Windows Subsystem for Linux) — Run Linux on Windows
Further Reading
- The Linux Command Line (free book) — Comprehensive free book by William Shotts
- SSH Key Management Best Practices — Security guide for SSH keys