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
PROPERLY disable IPv6 in Rocky Linux [SOLVED]
IPv6(128-bit address) is a protocol that will replace the IPv4(32-bit address) network protocol and provide a much larger network address space usage. It is
How to install PostgreSQL Rocky Linux? [SOLVED]
Step by step instructions to install postgresql from default repository or from online archive. You can download and install custom postgresql version from …
How to install EPEL Repository Rocky Linux? [SOLVED]
In this tutorial we will share steps and different methods to install EPE repo in Rocky Linux
How to disable firewall in Rocky Linux? [SOLVED]
A firewall is a must for every server system but there are times when for debugging purpose we would like to stop and disable the firewalld service. In this
How to install Rscript on Ubuntu? [SOLVED]
Step by Step instructions to install Rscript in Ubuntu with example
How install Boost on Ubuntu? [SOLVED]
Boost is a set of libraries for the C++ programming language (includes 164 separate libraries as of version 1.76) that provides support for tasks and
How to install Conda on Ubuntu? [SOLVED]
Conda is an open source (BSD licensed), language-independent package manager and environment management system that runs on different operating systems
How to install NVM on Ubuntu? [SOLVED]
Node Version Manager (NVM) is a tool for managing Node versions on servers. NVM allows to install different versions of Node. It allows you to switch between
How to install Wireshark on Ubuntu? [SOLVED]
In this article, we will install Wireshark, which can be installed on many different operating systems, on Ubuntu.
How to install OpenSSL in Ubuntu? [SOLVED]
Then install openssl package:
How to install NordVPN on Ubuntu? [SOLVED]
In this article, we will install NordVPN on Ubuntu 22.04.
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? [SOLVED]
There are 5 different ways to find files in ubuntu.
How to download torrent from CLI in Ubuntu? [SOLVED]
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? [SOLVED]
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