Real DevOps labs in your browser

ShellGenius gives you real, isolated containers in the browser - not simulated shells - with 165 hands-on challenges and guided lessons from absolute beginner to production-grade. No setup, no downloads.

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• Guided courses - step-by-step Linux, Git, Docker, Kubernetes, Terraform, and Jenkins lessons with quizzes and a live terminal
• Linux labs - 50 challenges from file permissions to kernel tuning
• Git labs - 25 challenges from your first commit to rewriting history
• Docker labs - 30 real container incidents to debug and fix
• Kubernetes labs - 20 orchestration and troubleshooting scenarios
• Terraform labs - 20 real CLI and offline FakeCloud scenarios
• Jenkins labs - 20 real Pipeline and CI/CD scenarios
• Linux warmup - 85+ essential commands for complete beginners
• Kubernetes warmup - 86 kubectl commands in a live simulator
• Terraform warmup - 83 CLI operations with real Terraform
• Jenkins warmup - 8 guided tasks in the real Jenkins UI