Linux

How to Use the Less Command

Use the less command to display file and command output one page at a time.

Use journalctl to View Your System's Logs

This guide shows how to use journalctl to view, search, and filter your system's logs.

Alias Frequently Used Commands in Linux

Alias is a built-in Unix command that helps create shortcuts to frequently used commands. This guide shows how to create and remove aliases.

Use rm to Delete Files from the Linux Command Line

Learn how to delete files from the Linux command line with rm.

Install Drupal with Docker Compose

This guide explains how to set up Drupal with Docker Compose.

Install WordPress with Docker Compose

This guide explains how to set up WordPress with Docker Compose.

Use systemd to Start a Linux Service at Boot

The systemd daemon allows you to control Linux system services. This guide shows how to configure a custom systemd service and enable it to start at boot.

How to use fsck - Quick Answer

fsck is the Linux file system consistency check utility. This Quick Answer shows some of the often-used commands to use fsck to check a system for corrupt files and bad disk sectors, then attempt to repair any errors it finds.

How to use fsck to Find and Repair Disk Errors and Bad Sectors

fsck is the Linux file system consistency check utility. This guide shows how to use fsck to check a system for corrupt files and bad disk sectors, then attempt to repair any errors it finds.

Find and Terminate Processes from the Linux or Mac OS Command Line

Learn how to find a running process and terminate it from the command line in Linux and Mac OS.

Archive, Compress, and Extract Files in Linux Using the Command Line

Tar, is a GNU utility that provides the ability to create tar archives, extract and compress files.

How to Install, Configure and Run the Fish Shell

This guide will walk you through the basics of Fish

How to Install SELinux on Ubuntu

This Quick Answer guide shows you how to install SELinux on Ubuntu after you uninstall AppArmor

How to Change SELinux Modes

Security-Enhanced Linux works to filter system access. This Quick Answer will show you how to change the level of policy enforcement SELinux, from full enforcing mode to totally disabled.

How to Use Git the Version Control System

This Quick Answer guide explains how to use Git to create a repository, stage a commit, and then push that commit.

How to Use Wget

This Quick Answer guide will explain how to use wget.

Log in to CoreOS Container Linux

This quick answer guide will show you how to log in to CoreOS Container Linux.

Use nano to Edit Files in Linux

Use GNU nano to edit text and system files from the command line.

Linux Command Line Tips

Easy to remember Linux command line time savers.

How to Use the Grep Command

Use our guide to filter system output with the grep command.

How to Use the Head Command

View the beginning of a text file with the head command.

How to Use the Tail Command

View and follow the end of files with the tail command.