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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    Tutorial

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

    9 days agoBy Tony Tran
    Linux BasicsLinux CommandsUbuntu 22.04
    Question

    Mod_wsgi (19) Permission denied while deploying a django application using Apache

    1 answer10 days agoBy Petr Rudolf Maleček
    ApacheDjangoLinux BasicsUbuntu
    Tutorial

    How To View and Update the Linux PATH Environment Variable

    30 days agoBy Piya Gehi
    Linux Basics
    Tutorial

    How To Protect SSH with Fail2Ban on Rocky Linux 8

    1 month agoBy Alex Garnett
    FirewallLinux BasicsRocky Linux 8Security
    Tutorial

    How To Partition and Format Storage Devices in Linux

    2 months agoBy Justin Ellingwood
    Linux BasicsStorage
    Tutorial

    How To Protect SSH with Fail2Ban on Debian 11

    2 months agoBy Alex Garnett
    DebianDebian 11FirewallLinux BasicsSecurity
    Tutorial

    How To Protect SSH with Fail2Ban on Ubuntu 20.04

    2 months agoBy Alex Garnett
    FirewallLinux BasicsSecurityUbuntuUbuntu 20.04
    Tutorial

    How To Protect SSH with Fail2Ban on Ubuntu 22.04

    2 months agoBy Alex Garnett
    FirewallLinux BasicsSecurityUbuntuUbuntu 22.04
    Question

    Vscode not loading terminal when connecting to Droplet via SSH

    1 answer2 months agoBy 1ccb25b121d1-49c0-88d7-0115df
    Building on DigitalOceanDevelopmentDigitalOcean DropletsLinux BasicsLinux Commands
    Conceptual Article

    Cloud Servers: An Introduction

    2 months agoBy Alex Garnett
    Linux BasicsCloud Computing
    Conceptual Article

    Learning to Love Your Terminal

    2 months agoBy Alex Garnett
    Linux BasicsCloud ComputingLinux Commands
    Conceptual Article

    How to Choose a Linux Distribution

    2 months agoBy Alex Garnett
    Linux BasicsUbuntuArch LinuxConceptualFedoraRocky Linux
    Question

    Website will just spin but the content wont display on my website after reboot

    1 answer2 months agoBy Yivster
    Linux BasicsNode.jsUbuntu
    Tutorial

    How To Troubleshoot Common Site Issues on a Linux Server

    2 months agoBy Justin Ellingwood
    ApacheLinux BasicsNginx
    Tutorial

    An Introduction to Linux I/O Redirection

    3 months agoBy David Collazo
    Linux Basics
    Tutorial

    An Introduction to Linux Permissions

    3 months agoBy Mitchell Anicas
    Linux BasicsConceptual
    Tutorial

    Linux Navigation and File Management

    3 months agoBy Justin Ellingwood
    Linux BasicsSystem Tools
    Tutorial

    An Introduction to the Linux Terminal

    3 months agoBy Mitchell Anicas
    Linux BasicsGetting Started
    Question

    How to disable repository from updates in Linux CentOS

    Accepted Answer Available
    2 answers3 months agoBy Brendo Ross
    ApacheLinux Basics
    Tutorial

    DigitalOcean Community Glossary

    3 months agoBy The DigitalOcean Community Team
    Linux BasicsMiscellaneousGetting Started