Playground

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Hands-on DevOps challenges with a built-in simulator, progressive hints, and official explanations. Practice terminal workflows, networking incidents, pipelines, configs, and cloud judgment.

Tracks

147

Practice Sets

Open Track
Linux
Practice shell, filesystem, process, service, and log workflows in a realistic simulated Linux environment.
10 setslinux
Open Track
Open Track
Networking
Practice DNS, routing, TLS, firewall, subnetting, and reverse-proxy troubleshooting in realistic incident scenarios.
6 setsnetworking
Open Track
Open Track
Python
Run small Python programs in the DevPolaris sandbox.
1 setpython
Open Track
Open Track
CI/CD
Master Continuous Integration and Continuous Deployment workflows, pipelines, and security best practices.
15 setsCI/CD
Open Track
Open Track
Rust
Interactive Rust exercises for tooling, ownership, borrowing, errors, traits, tests, async, and project design.
5 setsrust
Open Track
Open Track
YAML
Write and validate YAML configs.
0 setsyaml
Open Track
Open Track
AWS
Practice AWS service selection, account boundaries, resource identity, operations, cost, and recovery judgment through scenario-based quizzes.
32 setsaws
Open Track
Open Track
Azure
Practice Azure boundaries, placement, resource identity, service mapping, and beginner cloud judgment through scenario-based quizzes.
35 setsazure
Open Track
Open Track
GCP
Practice GCP projects, placement, resource identity, service mapping, and beginner cloud judgment through scenario-based quizzes.
24 setsgcp
Open Track
Open Track
Infrastructure as Code
Practice Terraform, Ansible, plans, state, modules, imports, and reviewable infrastructure changes.
19 setsIaC
Open Track

Linux

Networking

Python

CI/CD

Rust

YAML

AWS

Azure

GCP

Infrastructure as Code