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 zlib on Ubuntu?[100% Working]
Different methods to install zlib on Ubuntu with step by step instructions.
Remove unused packages in Ubuntu?
Learn different methods to remove unused packages from Ubuntu
How to install Node.js on Ubuntu from tar.xz? [SOLVED]
Step by step instructions to install Node.js in Ubuntu from tar.xz file
How to install gpart on Ubuntu? [SOLVED]
Step by Step instructions to install gpart on Ubuntu with examples
How to install jq on Ubuntu? [100% Working]
Step by step instructions to install JQ in Ubuntu either manually or from repository
How to install iTunes on Ubuntu?
There are 2 different methods to install itunes on ubuntu using wine and playonlinux
How to run memtest on Ubuntu?
Memtester is a memory testing program designed to stress test and test the system's random access memory for errors by writing test patterns to most memory
Downgrade Ubuntu to previous version?
Step by Step instructions to download Ubuntu to previous release
How to update Flameshot in Ubuntu?
Step by Step instructions to update flameshot in ubuntu using default package manager or by downloading the latest flameshot archive from official reporsitory
How to Backup Brave Browser Profile, Settings, Bookmarks, and Session on Linux
Learn how to backup and restore Brave Browser profile data on Linux, including settings, bookmarks, session files, cache, profile paths, tar archives, …
How to undo rm in Linux? [100% Working]
We can use trash utility to undo rm in Linux. ALternatively there some precaution measures which can be adapted to avoid removal of important data in Linux.
Learn Linux wheel group usage [With Examples]
Learn what is the significance of wheel group. Any user part of this group gets root level access so this should be used cautiously. Add or remove users from …
How to install ARPACK in Linux?
Step by Step instructions to install ARPACK on RedHat, Arch and Debian based Linux distribution.
How to modify smbd process limit in Linux? [SOLVED]
We can use max smbd processes parameter in smb.conf to modify smbd process limit in Linux
Install YARN on Linux and Windows
Step by Step instructions to install yarn on Linux and WIndows. Installation on Ubuntu (Debian based) and Rocky Linux (Red hat based) and Windows.
