sailor-sh/CK-X

sailor-sh/CK-X has 1,307 GitHub stars and 228 forks. GitHot measured +2 stars in 24 hours and +19 in 7 days. Last checked 2026-11-09 19:15 UTC. Last push 2026-10-21.

How these counts are measured

A mock exams for CKAD, CKA, and CKS featuring timed sessions and hands-on labs with pre-configured clusters.

1,307 stars 228 forks +2 in 24h

What you can do

Realistic exam environment with web-based interface and remote desktop support
Comprehensive practice labs for CKAD, CKA, CKS, and other Kubernetes certifications
Smart evaluation system with real-time solution verification
Docker-based deployment for easy setup and consistent environment

Measured star growth

in 24h: +2
in 7 days: +19
in 15 days: Update delayed
in 1 month: Update delayed

Net star changes over overlapping periods, not daily totals. Missing measurements are left blank. Stars measure attention, not software quality.

README.md

Original

Master Kubernetes the Right Way (2)

CK-X Simulator 🚀

A powerful Kubernetes certification practice environment that provides a realistic exam-like experience for kubernetess exam preparation.

Major Features

Realistic exam environment with web-based interface and remote desktop support
Comprehensive practice labs for CKAD, CKA, CKS, and other Kubernetes certifications
Smart evaluation system with real-time solution verification
Docker-based deployment for easy setup and consistent environment
Timed exam mode with real exam-like conditions and countdown timer

Watch live demo video showcasing the CK-X Simulator in action:

Installation

Linux & macOS

curl -fsSL https://raw.githubusercontent.com/sailor-sh/CK-X/master/scripts/install.sh | bash

Windows ( make sure WSL2 is enabled in the docker desktop )

irm  https://raw.githubusercontent.com/sailor-sh/CK-X/master/scripts/install.ps1 | iex

Manual Installation

For detailed installation instructions, please refer to our Deployment Guide.

Community & Support

Join our Discord Community for discussions and support
Feature requests and pull requests are welcome

Adding New Labs

Check our Lab Creation Guide for instructions on adding new labs.

Contributing

We welcome contributions! Whether you want to:

Add new practice labs
Improve existing features
Fix bugs
Enhance documentation

Disclaimer

CK-X is an independent tool, not affiliated with CNCF, Linux Foundation, or PSI. We do not guarantee exam success. Please read our Privacy Policy and Terms of Service for more details about data collection, usage, and limitations.

Acknowledgments

License

This project is licensed under the Business Source License 1.1 (BSL 1.1). Personal, educational, research, and non-production use is allowed, but commercial/production usage and SaaS monetization require a separate commercial license from Sailor.sh. See the LICENSE file for full terms.