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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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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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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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