Master Linux Permissions Through Real DevOps Scenarios
Interactive web-based game that teaches Linux file permissions through hands-on practice with realistic DevOps situations. Stop struggling with chmod - learn by doing!
Learn Linux permissions through practical scenarios you'll actually encounter in DevOps work
Practice with actual situations: SSH key security, deployment scripts, Docker builds, database backups, and Kubernetes secrets.
Start with basic chmod +x and work up to complex permission scenarios. Each level builds on the previous one.
Get immediate validation and helpful hints. Learn from mistakes with detailed explanations of why permissions matter.
Earn points based on speed and accuracy. Compete on leaderboards and track your progress as you master chmod.
Learn proper security practices: when to use 600, 644, 755, and why it matters for real-world applications.
Web-based application that runs on Windows, Linux, and macOS. No installation required - just open and play!
Here's what a typical ChmodHero scenario looks like:
Ready to master Linux permissions? Follow these simple steps:
Download the project from GitHub
Set up Python environment and requirements
Start the game and open in your browser
Understand 755, 644, 600 and when to use each permission pattern in real scenarios.
Master +x, u+rwx, go-w syntax and learn multiple ways to achieve the same result.
Learn proper permissions for SSH keys, config files, scripts, and sensitive data.
Apply knowledge to Docker builds, Kubernetes deployments, CI/CD pipelines, and more.