Practical knowledge. Zero gatekeeping.

Practical tech,
clearly explained.

Tested tutorials for cloud, Linux, web development, security, AI tools, and the systems that power a useful home lab.

geaux@ninja:~BASH

$ geaux learn --topic cloud

✓ practical tutorials ready

01Ship a server12m02Secure Nginx8m03Deploy safely15m

What is Geaux Ninja?

Learn by building something real.

Geaux Ninja turns complicated tools into practical steps you can understand, test, and reuse. Every guide is written around a working result—not a wall of theory.

Choose a topic

Get started

Choose a path

Pick a subject and move from question to working result.

Tutorial library

Featured guides

Linux8 min

12 Linux commands I actually use every day

A practical starter kit for navigating files and fixing problems.

Beginner
Web10 min

Make a website feel fast before touching JavaScript

High-impact HTML, CSS, image, and font improvements.

Intermediate
Security14 min

Harden a new server in thirty minutes

SSH keys, updates, firewalls, backups, and safer defaults.

Intermediate
AI tools11 min

Run a useful AI model on your own computer

Choose a model, check requirements, and get started.

Beginner

How guides are made

Useful by default

Clear enough to follow, detailed enough to trust.

01

Tested commands

Every important step is checked before it is published.

02

Decision context

You get the reason behind a choice, not only the command.

03

Honest warnings

Risky steps and common failure points are called out early.