System integrity is one of the most overlooked areas in Linux security. Firewalls, SELinux, and antivirus tools are common, but they do not tell you if critical system files were modified silently . This is where AIDE (Advanced Intrusion Detection Environment)  fits perfectly. In this blog, I’ll walk through what AIDE is, how it works, how to configure it properly , and how to interpret its output  on RHEL, Rocky Linux, and CentOS . All commands shown below were executed manu

Managing the ARP cache effectively is essential for maintaining smooth network communication on Linux systems. Both Red Hat Enterprise Linux (RHEL) and Rocky Linux rely on the Address Resolution Protocol (ARP) to map IP addresses to MAC addresses within a local network. Understanding how to view, modify, and clear the ARP cache can help troubleshoot network issues, improve security, and optimize system performance. This post explores ARP cache management on RHEL and Rocky Lin

Introduction of Auditd Keeping track of what happens on your Linux system is crucial, especially for security and compliance. Linux...

If you’ve ever needed to troubleshoot network connections on a Linux system, you’ve likely encountered tools like netstat . But there’s a...

Monitoring file system activity in real-time is crucial for system administrators, developers, and DevOps engineers. Whether you’re...

Postfix is a popular mail transfer agent (MTA) used to route and deliver email on Linux servers. Sometimes, it’s necessary to run...

Logging is a critical aspect of system administration, helping you keep track of events, diagnose issues, and maintain security. While...

When managing a web server, it's essential to protect your site from unwanted traffic and malicious activity. Nginx, a popular web...

When running a web server, security and privacy are key considerations. By default, Nginx reveals its server name in the HTTP headers,...

In this blog, I'll guide you through installing Nginx from source on a Linux system. We'll walk through each step, from installing the...

Debugging is an essential part of maintaining and optimizing your NGINX server. It provides detailed logs that can help you troubleshoot...

Load balancing can be generally divided into two main types: static and dynamic , each with different methods and applications. Static...

Nginx is a powerful, flexible web server and reverse proxy server used to serve static content, manage HTTP requests, and balance loads...

What is LLama ? In simple terms, LLaMA (Large Language Model Meta AI) is a powerful computer program developed by Meta (the company...

Nginx and PHP-FPM (PHP FastCGI Process Manager) work together to serve dynamic web content efficiently. Here's an overview of how they...

Teaming or bonding modes are configurations used primarily in networking to provide redundancy and increase throughput by combining...

Red Hat Enterprise Linux (RHEL) has undergone significant transformations from version 7 to versions 8 and 9, reflecting the evolving...

The chronyd service is a modern replacement for the ntpd (Network Time Protocol daemon) service in many Linux distributions. While ntpd...

Introduction: Cockpit is a powerful web-based interface that simplifies server management tasks on Linux systems. By default, Cockpit...

Ansible collections are a powerful way to organize and distribute Ansible content such as playbooks, roles, modules, and plugins....