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
332 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 MongoDB on Ubuntu? [SOLVED]
You can manually install MongoDB 6.0 Community Edition by downloading a tarball file. First, install the following requirements:
How to find files in Ubuntu?
There are 5 different ways to find files in ubuntu.
How to download torrent from CLI in Ubuntu?
The word torrent is an expression used to name the metadata linked to the files and folders to be downloaded. A torrent file (.torrent) does not contain the
How to take screenshot in Ubuntu?
Taking screenshots is a feature that the end user needs in every operating system. They probably started offering the take a screenshot feature after the OS
How to install Google Drive Ubuntu?
Google Drive is a file storage and synchronization service created and managed by Google. Users who log in with their Google account benefit from these
How to install Dropbox on Ubuntu
In this tutorial we will explore 6 different methods to install Dropbox in Ubuntu.
How to remove vector nth element in C++?
In this article we will learn c++ vector remove nth element. Vectors are a part of the c++ STL library. They are containers but can change memory at runtime.
How to install cURL in Ubuntu?
cURL is a software project that provides a library and command line tool for data transfer using various protocols. The letter "c" in its name comes from the
How to PROPERLY disable IPv6 on Ubuntu? [SOLVED]
Today, operating systems also support ipv6. However, when ipv6 is not widely used yet, it may cause problems if it is active in the system. Therefore, it
How to set timezone on Ubuntu?
In this article, we will explain the steps to set the timezone on Ubuntu.
How to PROPERLY kill process on Ubuntu?
In operating systems (Windows, Linux does not matter), things are managed as processes. These processes run for a certain time, some processes are terminated
How to Enable Wake-on-LAN in Ubuntu 22.04? [SOLVED]
In this article we will tell you how to enable Wake-on-LAN in Ubuntu and example usage.
How to install AWS CLI on Ubuntu?
AWS CLI (AWS Command Line Interface) is a unified tool you can use to manage your AWS services. With the AWS CLI, you can control multiple AWS services from
/etc/network/interfaces missing in Ubuntu
If you are using Ubuntu, you must have encountered the "/etc/network/interfaces missing" error. Because Ubuntu 18.04 and above uses netplan to configure your
How to remove obsolete packages in Ubuntu?
Learn how to safely remove obsolete packages in Ubuntu with examples
