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
How to QUICKLY Install Fonts in Linux [GUI and CLI]
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How to Change Username in Linux (usermod & Manual Method Explained)
Learn how to change username in Linux using usermod and manual methods. Step-by-step guide to rename users, update home directory, and fix group ownership …
How do I install the Linux library libc.so.6 [SOLVED]
In this tutorial we learn how do I install the linux library libc.so.6. There are 3 possible scenarios: Library is not installed or missing, The library path is …
5+ Linux Screenshot Tools with Examples [GUI and CLI]
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Solved: Steps to PROPERLY mount ISO Image in Linux
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Tips to download file From Linux [Practical Examples]
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How to Mount USB Drive in Linux (Command Line Guide for Ubuntu, Debian, RHEL)
Learn how to mount a USB drive in Linux using command line tools. This step-by-step guide explains how to identify USB devices, install required filesystem …
SOLVED: How to PROPERLY rename file(s) in Linux
There are multiple ways in Linux to rename single or multiple files using one line commands or in script
Linux find File using the command-line [8 Different Ways]
In this tutorial we have covered 8 different methods to find file in Linux using filename, file extension, file type, file size, file's modification date, file …
10 Best Open Source VPN Software for Linux in
Top 10 Open-Source Vpn Software for Linux. Check out our list and the pros and cons for every VPN software and choose what suits you best.
How to install Arduino IDE on AlmaLinux 8
Step by step instructions to install Arduino on AlmaLinux 8 with screenshots and examples
Know impacts of chmod 777 command [Be Cautious]
In this article we conver the impacts of chmod 777 command in Linux and how can be a threat to security. We should ideally never use chmod 777 as this is barely …
Perform cURL POST Request [Practical Examples]
In this article we learned how to properly perform a curl POST request with practical examples
How to customize cloud-init autoinstall (user-data) Ubuntu 20.04
Customize cloud-init autoinstall user-data configuration file. Configure network, assign static IPv4, IPv6 IP address, configure SSH, create bind, change …
How to install VLC Player on AlmaLinux 8 [Step-by-Step]
Step by step instructions to install vlc player on AlmaLinux 8. Upgrade and also Uninstall VLC player.