grindx cka just launched

Learn by doing,
not by reading

Open-source tools that force you to practice. Real environments, real problems, real feedback. No multiple choice.

Tools that make you practice
Each grindx tool targets a different skill. Same philosophy: real environments, automated validation, no hand-holding.
K8s
New

grindx cka

CKA exam simulator with real Kubernetes clusters, bastion host architecture, integrated terminal, docs browser, and automated scoring.

  • Real clusters
  • SSH into nodes
  • Timed exams
  • Auto-grading
  • K8s docs
Get started
>_
Live

grindx tui

Terminal-based DSA practice. Solve problems in your editor, test against real cases, track your progress — all from the command line.

  • Terminal UI
  • DSA problems
  • Progress tracking
  • Multiple languages
Get started

grindx cka

The most realistic CKA exam simulator. Practice on real Kubernetes clusters.

$
grindx cka demo
86

Hands-on Tasks

Across 5 sessions

5

Real Clusters

Auto-created in Docker

100%

CKA Coverage

All exam domains

$0

Cloud Costs

Runs locally

Download
Free, open source, runs entirely on your machine.

macOS

grindx-cka-macos-universal.dmg

Download .dmg

Open the DMG, drag to Applications.

Then run once in terminal:

xattr -cr /Applications/grindx\ cka.app

Windows

grindx-cka-windows-amd64.zip

Download .zip

Extract the zip, run grindx-cka.exe

SmartScreen: More info → Run anyway

Linux

grindx-cka-linux-amd64.tar.gz

Download .tar.gz

tar -xzf grindx-cka-linux-amd64.tar.gz

./grindx-cka

Prerequisites

grindx cka runs real Kubernetes clusters on your machine. You need these installed:

Docker Desktop Runs clusters locally Install
kind Creates K8s clusters in Docker Install
kubectl Kubernetes CLI Install

All downloads from GitHub Releases · Source on GitHub

grindx tui

Practice DSA problems right in your terminal. No browser needed.

v0.2.5 — local test cases
grindx tui demo
$ pip install grindx

Requires Python 3.8+. Run grindx to launch.

$

View on GitHub

Built in the open

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