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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    How To Transform JSON Data with jq

    0 days agoBy Pieter De Decker
    Linux BasicsLinux CommandsSystem Tools
    Tutorial

    How To Configure Logging and Log Rotation in Nginx on an Ubuntu VPS

    2 weeks agoBy Justin Ellingwood
    Linux BasicsUbuntuLoggingNginxServer Optimization
    Tutorial

    How To Use LVM To Manage Storage Devices on Ubuntu 18.04

    4 weeks agoBy Justin Ellingwood
    Linux BasicsUbuntuSystem ToolsStorageUbuntu 18.04
    Tutorial

    How To Use the Emacs Editor in Linux

    4 weeks agoBy Sadequl Hussain
    Linux BasicsUbuntuUbuntu 22.04Miscellaneous
    Tutorial

    How To View and Configure Linux Logs on Ubuntu, Debian, and CentOS

    1 month agoBy Sadequl Hussain, Milecia McGregor
    Linux BasicsUbuntuLoggingCentOSDebian
    Tutorial

    An Introduction to LVM Concepts, Terminology, and Operations

    2 months agoBy Justin Ellingwood
    Linux BasicsSystem ToolsStorageConceptual
    Tutorial

    How To Make and Optimize GIFs on the Command Line

    2 months agoBy Alex Garnett
    Linux Basics
    Tutorial

    How To Add Swap Space on Debian 11

    2 months agoBy Alex Garnett
    DebianDebian 11Linux Basics
    Tutorial

    A Brief History of Linux

    3 months agoBy Kathleen Juell
    Linux BasicsConceptualC (language)
    Tutorial

    How To Protect SSH with Fail2Ban on Rocky Linux 9

    3 months agoBy Alex Garnett
    FirewallLinux BasicsRocky LinuxRocky Linux 9Security
    Tutorial

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

    3 months agoBy Justin Ellingwood
    Linux BasicsUbuntuLinux CommandsGetting StartedDebian
    Tutorial

    How to Perform Server-Side OCR on PDFs and Images

    3 months agoBy Alex Garnett
    Linux Basics
    Tutorial

    Cloud Servers Checkpoint

    4 months agoBy Caitlin Postal
    Cloud ComputingLinux Basics
    Tutorial

    How To Perform Basic Administration Tasks for Storage Devices in Linux

    4 months agoBy Justin Ellingwood
    Linux BasicsStorage
    Tutorial

    An Introduction to Storage Terminology and Concepts in Linux

    4 months agoBy Justin Ellingwood
    Linux BasicsStorageBlock StorageConceptual
    Tutorial

    How To Configure Custom Connection Options for your SSH Client

    4 months agoBy Justin Ellingwood
    Linux BasicsSystem Tools
    Tutorial

    An Introduction to Networking Terminology, Interfaces, and Protocols

    4 months agoBy Justin Ellingwood
    Linux BasicsNetworkingConceptual
    Tutorial

    How To Add Swap Space on Rocky Linux 9

    4 months agoBy Alex Garnett
    Linux BasicsRocky LinuxRocky Linux 9
    Tutorial

    How to Set Up SSH Keys on Rocky Linux 9

    4 months agoBy Alex Garnett
    Getting StartedLinux BasicsRocky LinuxRocky Linux 9SecuritySystem Tools
    Question

    SSH Permission denied (publickey)

    2 answers4 months agoBy d40d179698b0e4b36f241171147902
    Linux BasicsLinux CommandsUbuntu 22.04UNIX/LinuxUbuntu