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Linux Security 101: Hardening Your System for The Common Geek

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This guide will be a beginner-friendly walthrough of hardening your Linux system. This does not have to be done all at once. Feel free to ease into it–or take it even further as I’ll also be providing recommendations for more advanced users throughout. Just go at your own pace, crank up some music, and makeit your own.

My goals for this guide:

  • Demonstrate how to achieve excellent security without impeding usability
  • Introduce newbies to Linux security basics
  • Provide plenty of information for more seasoned Linux users
  • Make the hardening process smooth and streamlined

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r/linux: Is desktop Linux completely missing the point when it comes to security today?

And so I remembered something I’ve considered many times before regarding root and security in Linux (but also other operating systems): I actually don’t care about root access.

Sure, it would be annoying to reinstall my system if a program were to mess with the system files. But the only thing I really care about are my personal files. And ANY program I run could read all my files (privacy, and other secrets) and encrypt or simply destroy them all. That is what I care about – and there is no security for this at all – but instead I’m being pestered about root access, which really doesn’t matter to me. I might also care about access to my camera, or what programs are talking to the internet, etc.

Authorization (from xkcd.com)

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