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
Install Apache from Source Code Rocky Linux [Step-by-Step]
Step by Step instructions to install and configure apache from source code in Rocky Linux 8
Setup local YUM/DNF repo server Rocky Linux 8 [Step-by-Step]
Step by Step instructions to configure local and offline yum or dnf repository server using Nginx on Rocky Linux 8
Setup Master Slave BIND DNS server Rocky Linux 8 [Step-by-Step]
Step by Step instructions to configure Master Slave BIND DNS Server on Rocky Linux 8.
Setup BIND DNS Server in Rocky Linux 8 [Step-by-Step]
Step by Step instructions to setup and configure bind dns server using chroot environment in Rocky Linux 8. The chroot environment is used to further secure the …
Migrate CentOS 7/8 to Rocky Linux 8 [100% Working]
Step by Step guide to upgrade or migrate CentOS 7 and 8 to Rocky Linux 8. There will be no data loss during the migration.
Reasons to migrate your app to AWS
If there is one thing that takes worldwide financial state, overseas supply chains and support professionals through the COVID-19 situation, it is cloud
Install Rocky Linux 8 [Step-by-Step with Screenshots]
This guide covers how to install Rocky Linux 8.4 on VirtualBox. Rocky Linux is the replacement of the much-loved CentOS whose support will end on December 31, …
Install MariaDB on Rocky Linux 8.4 [Step-by-Step]
In this tutorial, we will learn how to install MariaDB on Rocky Linux 8.4. You may also check the mariadb page link for the official instructions to install
Install MongoDB on Rocky Linux 8.4 (Step-by-Step)
In this tutorial we will cover the steps to install MongoDB on Rocky Linux.
Windows Subsystem for Linux (WSL2) on Windows 10 (Step-by-Step)
Step by Step guide to install windows subsystem for Linux (WSL2) using Windows 10. Install Ubuntu on Linux using WSL.
How to Get Started with Game Development?
Game development might sound as simple as creating a video game. But have you ever thought about what it looks like
CPU, processors, core, threads - Explained in layman's terms
cpu socket, processor socket, core threads, socket vs core, lscpu command explained, how to check cpu cores, how to check cpu socket, linux cpu info, how to …
pam_faillock: lock user account after X failed login attempts in Linux
This pam_faillock module maintains a list of failed authentication attempts per user during a specified interval and locks the account in case there were more …
pam_tally2: lock user account after X failed login attempts in Linux
Use pam_tally2 to lock user account in Linux after X failed login attempts. Lock root and normal user, exclude users and group from being locked out.
5 effective ways to unlock user account in Linux
How to unlock the password for user account in Linux. If an account is locked due to login failure then use pam_tally2 or pam_fallock to unlock user account.