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 complete 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): Complete free book by William Shotts
- SSH Key Management Best Practices: Security guide for SSH keys