Linux Tutorials and Command Line Guides
Learn Linux with step-by-step tutorials, command line examples, and system administration guides for Ubuntu, RHEL, CentOS, and more.
Welcome to the Linux tutorials section, your complete resource for mastering Linux commands and system administration.
This category covers everything from basic commands to advanced system-level operations across multiple distributions such as Ubuntu, RHEL, and CentOS.
Linux is the backbone of modern infrastructure, and understanding it is essential for DevOps, cloud computing, and system administration. You may also explore System Administration and Security for advanced topics.
What you will learn
- Essential Linux commands and tools
- File system and process management
- User and permission management
- Real-world troubleshooting techniques
Ideal for
- Beginners learning Linux
- System administrators
- DevOps engineers
331 articles
Featured guides in this category
Hand-picked, most-cited tutorials — start here if you're new.

How do I install the Linux library libc.so.6
In this tutorial we learn how do I install the linux library libc.so.6. There are 3 possible scenarios: …

How to check the lock status of any user account in Linux
In this article I will share different methods to check the lock status of a user in Linux or Unix …
![How to install Anydesk on AlmaLinux 8 [Step-by-Step]](/install-anydesk-on-almalinux-8/install_anydesk_hu_1f4ec917374ba52d.webp)
How to install Anydesk on AlmaLinux 8 [Step-by-Step]
Step by step instructions to install anydesk on almalinux 8 with screenshot and examples

Downgrade Ubuntu to previous version?
Step by Step instructions to download Ubuntu to previous release
How to Install CUDA on Ubuntu
This tutorial guides you through detailed steps to install CUDA on Ubuntu, covering driver installation, toolkit setup, verifying installation, compiling a
How to Install OpenCV on Ubuntu? [SOLVED]
In this article, we will provide a step-by-step guide on how to install OpenCV on Ubuntu. We will cover the prerequisites required for the installation, the
How to Install Slack on Ubuntu? [2 Methods]
Slack is a popular messaging and collaboration platform that is widely used by businesses and teams to communicate and work together. If you're an Ubuntu user
How to Install Plex on Ubuntu?
In this tutorial we will demonstrate step by step instructions to install Plex on Ubuntu.
6 Methods to List Installed Packages in Ubuntu in 2024
In this article, we will discuss how to list installed packages in Ubuntu using the command line interface. By following these instructions, users can easily
Steps to Install Picard on Ubuntu
Picard is a popular music tagging application that allows users to manage their music collections by automatically tagging, organizing, and renaming music
Steps to install php Xdebug on Ubuntu
In this article, we have covered how to install PHP Xdebug on Ubuntu, along with the necessary pre-requisites required for a successful installation. We have
How to Install Nvidia Drivers on Ubuntu
This tutorial guides you through step by step instructions to install Nvidia drivers on Ubuntu, covering different methods like GUI, command line, and PPA …
How to Install Ubuntu on USB Drive? [100% Working]
Ubuntu is a popular open-source operating system that is widely used in the Linux community. One of the great features of Ubuntu is that it can be installed
How to install Epson et-2720 on Ubuntu? [SOLVED]
Ubuntu is a free and open-source operating system that is widely used in desktops and servers. It is known for its stability, security, and ease of use. One
How does vim split window horizontally?
Vim is a powerful and popular text editor that is widely used by programmers and developers. One of the many features that makes Vim so versatile is its
How to list recursively with 'ls'? [SOLVED]
"ls" is a command-line utility in Unix-based operating systems that allows users to list the contents of a directory. The "ls" command is a versatile tool
How to use du to sort files by size?
du stands for disk usage which is one of the most used tool in Unix/Linux to estimate the file space usage. Here are some commonly used command arguments and
How to install XRDP with XFCE4 on Ubuntu?
Ubuntu is a popular Linux operating system. As with most Linux distributions, it can be used with different desktop environments (XFCE, KDE, Gnome etc). The
How to count files in directory in Linux? [SOLVED]
When managing files and directories in Linux operating systems, there may be a need to know how many files are in a given directory. For example:
