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
Setup IPv4 UEFI PXE Boot Server Ubuntu 20.04 [cloud-init]
Step by Step instructions to install and setup ipv4 UEFI PXE Boot Server for automated installation of Ubuntu 20.04 using cloud-init configuration file.
Setup PXE Boot Server using cloud-init for Ubuntu 20.04 [Step-by-Step]
Step by step instructions to install and configure PXE boot server to perform automated installation of Ubuntu 20.04 using cloud-init configuration file
How to generate cloud-init user-data file for Ubuntu 20.04 [Step-by-Step]
Step by step instructions to generate user-data (autoinstall configuration file) which will be used for automated installation of Ubuntu 20.04 using cloud- init …
Solved: DHCPDISCOVER fails with 'no free leases' in Linux
You can fix the no free leases error from DHCPDISCOVER by either add more IP address to the range or by cleaning up the lease files for unused entries
Top 5 Best Practices for Containerized Deployments
Even though containers are valuable in the current software development trends, realizing containerized deployments in organizations is not easy. This article
How to install Zoom on AlmaLinux 8 [Step-by-Step]
Step by Step instructions to install zoom on Alma Linux 8 with screenshots
How to install Anydesk on AlmaLinux 8 [Step-by-Step]
Step by step instructions to install anydesk on almalinux 8 with screenshot and examples
Configure IPv6 UEFI PXE Boot with Kickstart [RHEL/CentOS 8]
Step by step instructions to install and configure IPv6 UEFI PXE Boot using kickstart configuration file. Automate the installation over IPv6 network using …
Remove Directory in Linux PROPERLY & SAFELY
In this tutorial I have shared the commands and examples to remove directory in Linux properly without loosing any data. Delete directories and sub directories …
SOLVED: Check Ubuntu Version the RIGHT WAY
6 different methods to check ubuntu version from command line terminal or graphical user interface,
Configure IPv4 UEFI PXE Boot with Kickstart [RHEL/CentOS 8]
Step by step instructions to install and configure uefi pxe boot with kickstart on RHEL/CentOS 8 Linux. Configure DHCP for UEFI BIOS and automated installation
Install GCC on Rocky Linux PROPERLY [Step-by-Step]
step-by-step guide to install GCC on Rocky Linux. We also went further and wrote a C program to add two numbers, and further looked at how GCC carries out …
How to PROPERLY test port connectivity in Linux
Multiple methods and commands to test port connectivity between Linux server and client with examples. Check availability of multiple ports in Linux for …
Install Sublime Text 4 on AlmaLinux 8 [Step-by-Step]
Step by step instructions to install sublime text 4 on AlmaLinux 8 with screenshots.
Getting started with Terraform - Tutorial
Step by step instructions to install terraform on Ubuntu. Deploy AWS EC2 Instance (Infrastructure) using terraform with screenshots and code examples.