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 enable UTF-8 in Linux?
If you are working on Linux operating system, you should use these converters. If you have received a warning/error regarding UTF-8, read this post. In this
How to Set SFTP umask in Linux
Learn how to set SFTP umask in Linux with OpenSSH internal-sftp, sftp-server, Match User, Match Group, chrooted SFTP users, and tested upload permission …
Increase sound more than 100 in Ubuntu? [SOLVED]
VLC and some media players allow you to increase the volume up to 200%. In the operating system, it is possible to increase the volume as the system allows.
Convert CentOS 8 to Rocky Linux 8
As you know, CentOS Linux 8 became the end of life on 31 Dec 2021. It will now continue its life as CentOS Stream 8. Many people/organizations using CentOS
PROPERLY disable IPv6 in Rocky Linux
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?
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?
Step by Step instructions to install Rscript in Ubuntu with example
How install Boost on Ubuntu?
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?
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?
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?
In this article, we will install Wireshark, which can be installed on many different operating systems, on Ubuntu.
How to install OpenSSL in Ubuntu?
Then install openssl package:
How to install NordVPN on Ubuntu?
In this article, we will install NordVPN on Ubuntu 22.04.