Category

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

Hand-picked, most-cited tutorials — start here if you're new.

How do I install the Linux library libc.so.6

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: …

By Omer Cakmak · 5 min read
How to check the lock status of any user account in Linux

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 …

By Deepak Prasad · 4 min read
How to install Anydesk on AlmaLinux 8 [Step-by-Step]

How to install Anydesk on AlmaLinux 8 [Step-by-Step]

Step by step instructions to install anydesk on almalinux 8 with screenshot and examples

By Deepak Prasad · 3 min read
Downgrade Ubuntu to previous version?

Downgrade Ubuntu to previous version?

Step by Step instructions to download Ubuntu to previous release

By Omer Cakmak · 5 min read

Could not resolve host: mirrors.rockylinux.org

3 possible solutions to Could not resolve host: mirrors.rockylinux.org and Failed to connect to mirrors.rockylinux.org port 443: Connection timed out

By Omer Cakmak · 6 min read · linux

Install Memcached on Rocky Linux 9 [Step-by-Step]

Step by Step instructions to install Memcached on Rocky Linux 9. 2 different methods to install using default package manager and downloading from official …

By Omer Cakmak · 4 min read · linux

Install Maven in Rocky Linux 9

2 different methods to install latest maven package using system package manager or from downloading maven from official repository.

By Omer Cakmak · 3 min read · linux

Install Nagios XI on Rocky Linux 9

Two different methods to install nagios XI on ROcky Linux 9. Install latest or custom version by directly downloading from official page.

By Omer Cakmak · 6 min read · linux

How to install Issabel PROPERLY

Step by step instructions to install Issabel with screenshots in Linux

By Omer Cakmak · 3 min read · linux