Linux Basics

14 Guides Available

How to Mount a File System on Linux

Mounting or unmounting a file system on Linux is usually straightforward, except when it isn’t. This article teaches you how to mount and unmount file systems, as well as list available and currently mounted file systems.

How to Rename Files on Linux

Windows and macOS users often manage their files using the Graphical User Interface (GUI) file manager provided on their systems.

How to Copy Files and Directories in Linux

Copying a file is one of the most common Linux tasks. Ubuntu and other Linux distributions use the cp command to copy one or more files, and to copy entire directories.

Learn How to Create a Swap File in Ubuntu

Systems trying to run large, memory-intensive applications with limited RAM can run into serious issues. Operations might become very slow, and the application can sometimes freeze completely or crash with out-of-memory errors.

Linux Navigation Commands: Copy, Move, and Create Files and Directories

For users more familiar with a graphical user interface (GUI), the Linux command line interface can initially appear daunting.

Check and Clean a Linux System's Disk Space

Linux provides several built-in commands for analyzing and cleaning up your system’s disk space. This guide shows you how to use those commands to get a closer look at your disk usage and start freeing up space.

Write to a File From the Shell

When working from the command line, it can be convenient to write to files without the need to open a text editor like Nano, or Vim.

Using the Linux Restart Command from the Command Line

While your Linux server can run continuously for weeks or months, some configuration tasks may require a manual system reboot.

What is usermod, and How do I Use It?

What is usermod?Tool Used to Modify a User’s Linux SettingsThe usermod command lets you change an existing Linux user’s settings.

How to Set and Use Linux Environment Variables

Your Linux shell has access to an environment that stores configuration values and other information in environment variables.

How to Add and Remove sudo Access in Ubuntu

sudo (“su ‘do’” or “substitute user ‘do’”) allows a system administrator to delegate permissions to specific users on the machine.

Linux System Administration Basics

This guide presents a collection of common issues and useful tips for Linux system administration. Whether you’re new to system administration or have been maintaining systems for some time, we hope this collection of basic Linux commands will help you manage your system from the command line.

Introduction to Linux Concepts

Linodes run Linux. Linux is an operating system that works just like Windows and Mac OS X.

Linux Users and Groups

If you are new to Linux/Unix, then the concept of permissions may be confusing. This guide provides you with an explanation of what permissions are, how they work, and how to manage them.

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