Linux
Practice shell, filesystem, process, service, and log workflows in a realistic simulated Linux environment.
Hands-on DevOps challenges with a built-in simulator, progressive hints, and official explanations. Practice terminal workflows, networking incidents, pipelines, configs, and cloud judgment.
Practice shell, filesystem, process, service, and log workflows in a realistic simulated Linux environment.
Practice DNS, routing, TLS, firewall, subnetting, and reverse-proxy troubleshooting in realistic incident scenarios.
Run small Python programs in the DevPolaris sandbox.
Master Continuous Integration and Continuous Deployment workflows, pipelines, and security best practices.
Interactive Rust exercises for tooling, ownership, borrowing, errors, traits, tests, async, and project design.
Write and validate YAML configs.
Practice AWS service selection, account boundaries, resource identity, operations, cost, and recovery judgment through scenario-based quizzes.
Practice Azure boundaries, placement, resource identity, service mapping, and beginner cloud judgment through scenario-based quizzes.
Practice GCP projects, placement, resource identity, service mapping, and beginner cloud judgment through scenario-based quizzes.
Practice Terraform, Ansible, plans, state, modules, imports, and reviewable infrastructure changes.