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Guides for your open-source journey
Simple, practical articles on Linux, Red Hat, DevOps and the cloud — written for learners.
How to start learning Linux from zero
Linux can look scary when all you see is a black screen and a blinking cursor. The good news: you only need a few basic ideas and a little daily practice to feel at home. This guide shows you where to begin and what to learn first.
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ReadRHCSA exam objectives explained
The RHCSA exam is fully hands-on, so knowing exactly what it expects is half the battle. Here we walk through each objective area in plain English and explain what you should be able to do for each one.
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Top 20 Linux commands every beginner needs
You do not need to memorise hundreds of commands. A small set covers most of what you will do every day. These twenty are the ones we come back to again and again in class.
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RHCSA vs RHCE: which one first?
RHCSA and RHCE are the two best-known Red Hat certifications, and people often ask which to take first. The short answer is RHCSA — but the reasons why will help you plan your whole learning path.
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How to set up a free Linux lab at home
A home lab is the fastest way to learn Linux, and it does not have to cost anything. With free virtualisation software and a free Linux distribution, you can build a safe place to practise — and break things — on your own laptop.
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