Linux Basics tutorials, questions, and resources

Linux Basics

Linux is a family of free and open-source operating systems based on the Linux kernel. Operating systems based on Linux are known as Linux distributions or distros. Examples include Debian, Ubuntu, Fedora, CentOS, Gentoo, Arch Linux, and many others. You can find computers that run Linux in a wide variety of contexts all over the world, from web servers to cell phones. Today, 90% of all cloud infrastructure and 74% of the world’s smartphones are powered by Linux.

featured tutorialA Linux Command Line Primer

This tutorial will provide users who are new to terminal environments with the basics of using a command-line interfa...

Lisa Tagliaferri • Published on December 8, 2020 · Updated on June 16, 2021

featured tutorialHow To Use ps, kill, and nice to Manage Processes in Linux

Process management is an essential skill when using any computer system. This is especially true when administrating ...

Alex Garnett • Published on September 6, 2013 · Updated on March 17, 2022

featured tutorialHow To Use Top, Netstat, Du, & Other Tools to Monitor Server Resources

Monitoring a server’s resources is an important task for every administrator. There are many command line tools made ...

Justin Ellingwood, and Alex Garnett • Published on August 26, 2013 · Updated on March 17, 2022

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Linux Basics

How To Make and Optimize GIFs on the Command Line

How To Add Swap Space on Debian 11

A Brief History of Linux

How To Protect SSH with Fail2Ban on Rocky Linux 9

How To Manage Packages In Ubuntu and Debian With Apt-Get & Apt-Cache

How to Perform Server-Side OCR on PDFs and Images

Cloud Servers Checkpoint

How To Perform Basic Administration Tasks for Storage Devices in Linux

An Introduction to Storage Terminology and Concepts in Linux

How To Configure Custom Connection Options for your SSH Client

An Introduction to Networking Terminology, Interfaces, and Protocols

How To Add Swap Space on Rocky Linux 9

How to Set Up SSH Keys on Rocky Linux 9

SSH Permission denied (publickey)

Initial Server Setup with Rocky Linux 9

Checking the number of directories in an environmental variable

How to Install and Use Screen on an Ubuntu Cloud Server

How to Connect to a Terminal from Your Browser Using Python WebSSH

Error When Installing MySQL

How To Handle apt-key and add-apt-repository Deprecation Using gpg to Add External Repositories on Ubuntu 22.04