Linux commands and concepts you need for performing essential tasks on a server as a DevOps, SRE, or SysAdmin are critical. I'll do my best to explain everything as simple as possible.

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• Updated Dec 21, 2025

Welcome to the "Shell Scripting Zero to Hero" repository, your comprehensive guide to mastering Bash shell scripting for real-world corporate scenarios. Whether you're a beginner looking to automate tedious tasks or an experienced developer aiming to enhance your scripting skills, this tutorial takes you from the basics to hero-level scripting.

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• Updated Aug 10, 2024

Master Linux from beginner to advanced: commands, shell scripting, system administration, networking, security, and automation with real-world projects.

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• Updated Oct 24, 2025

All of the workshop sessions of OSC'19 in .md and .pdf formats.

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• Updated Nov 25, 2019

📙 Linux 基础教程持续更新中...

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• Updated May 3, 2021

A *very* helpful collection of guides every single install, setup, config and more I've created for Arch. These are mainly different installation guides. I forgot to release these guides to the public as I always intended to so I am now. I hope it helps everyone! All guides are written by me and then tested. Based on the official Arch Wiki! ⬇️

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• Updated Aug 4, 2026

Linux is actually everywhere: phone, cars, tv, supercomputers, world’s stock exchanges, desktops, servers, and embedded systems across the globe, Linux is one of the most reliable, secure and worry-free operating systems available. Let's learn basic linux. This note has taken from edx "Introduction to linux" offered by Linux Foundation.

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• Updated Sep 3, 2024

Free, open-source Kali Linux & cybersecurity course Linux fundamentals to networking, recon, and security automation.

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• Updated Sep 15, 2026
• Python

Linux Mint is a community-driven Linux distribution based on Ubuntu, bundled with a variety of free and open-source applications. It can provide full out-of-the-box multimedia support for those who choose to include proprietary software such as multimedia codecs

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• Updated Aug 15, 2021
• JavaScript

一个面向小白的、基于Excel和md的指令速查表。

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• Updated Jul 8, 2025

A short tutorial intended to introduce beginners to linux CLI

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• Updated May 7, 2020

How to install Cuda and cuDNN on Ubuntu 20.04

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• Updated Jun 21, 2022

🐧 The most comprehensive Linux guide on GitHub — 34 chapters, 6 cheatsheets, 200+ commands. From zero to advanced.

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• Updated Feb 22, 2026

A comprehensive A-to-Z reference guide and cheat sheet of essential Kali Linux commands, tools and workflows designed for penetration testers and ethical hackers

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• Updated Jun 12, 2026

A practical, in-depth Linux command reference — real examples, edge cases, and interview Q&A for every command.

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• Updated Aug 18, 2026

Miscellaneous scripts in bash/php and Linux env tunings for the better DX. Check the slides for this repo: https://github.com/8kto/talk-development-experience

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• Updated Feb 15, 2022
• Shell

Instalação e configuração do Arch Linux na Virtual Box

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• Updated May 9, 2018

RHCSA-9 Lecture notes

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• Updated Aug 13, 2024

Notes for computer science and computational chemistry.

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• Updated Feb 2, 2024

Hacking Code - cURL Guides and Tutorials

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• Updated Feb 16, 2017