Open-source tools that force you to practice. Real environments, real problems, real feedback. No multiple choice.
CKA exam simulator with real Kubernetes clusters, bastion host architecture, integrated terminal, docs browser, and automated scoring.
Terminal-based DSA practice. Solve problems in your editor, test against real cases, track your progress — all from the command line.
The most realistic CKA exam simulator. Practice on real Kubernetes clusters.
Across 5 sessions
Auto-created in Docker
All exam domains
Runs locally
grindx-cka-macos-universal.dmg
Download .dmgOpen the DMG, drag to Applications.
Then run once in terminal:
xattr -cr /Applications/grindx\ cka.app
grindx-cka-windows-amd64.zip
Download .zipExtract the zip, run grindx-cka.exe
SmartScreen: More info → Run anyway
grindx-cka-linux-amd64.tar.gz
Download .tar.gztar -xzf grindx-cka-linux-amd64.tar.gz
./grindx-cka
grindx cka runs real Kubernetes clusters on your machine. You need these installed:
All downloads from GitHub Releases · Source on GitHub
Practice DSA problems right in your terminal. No browser needed.
Every grindx tool is open source under the Apache 2.0 license. Use it, fork it, contribute to it. Learning tools should be free — especially in the age of AI.
github.com/grindxhq