QMAIL Qmail is an MTA similar to Exim INSTALLATION Installation involves the following steps: 1.Installing Qmail itself 2.Installing EZmlm and EZmlm-idx 3.Installing Autoresponder 4.Installing Vpopmail 5.Installing maildrop 6.Uninstalling Sendmail 7.Starting up qmail
FFmpeg is a powerful multimedia framework used for video, audio, and streaming operations. This guide explains how to install FFmpeg on a VPS using the YUM package manager. Step 1: Prepare the Repository First, configure the RPM repository required for installation. Create or edit the repository file: Add the following configuration: Step 2: Configure Library Path Next, update the dynamic linker configuration: Add the following line: Then apply the changes: Step 3: Install RPMForge Repository Download and install the RPMForge release package: If you see a GPG warning, it can …
Mod_Security 2.5 Need for a Webserver Security Module It is pretty difficult to secure application softwares. Common targets are Open Source software like PHPNuke. An attacker can easily find out vulnerabilities in the code. If your application is vulnerable to SQL injection, invoking the URL above may very well delete all user data from your application. You can use mod_rewrite to avoid this attack. it is very easy to detect the words drop and table, and then redirect the client away from the original URL. A determined attacker could simply …
Suhosin is an advanced security protection system designed for PHP installations. It helps secure PHP applications and servers against known and unknown vulnerabilities by adding additional protection layers to the PHP core and runtime environment. Suhosin is widely used by server administrators to improve PHP security, harden web hosting environments, and reduce the risk of exploitation caused by insecure PHP scripts. What is Suhosin? Suhosin is a security system developed specifically for PHP. The primary goal of Suhosin is to protect servers and websites from vulnerabilities in both PHP applications …
mod_userdir It is an Apache module that allows you to create a separate website for each user on a server. These sites can all be accessed by going to, http://servername.com/~username Eg:- http://example.com/~user/ The module is installed on most Apache setups by default, but isnt necessarily always enabled. Most mass-hosted cPanel servers make extensive use of it for a variety of reasons. Apaches mod_userdir allows users to view their sites by entering a tilde(~) and their username as the URL on a specific host. For example http://test.cpanel.net/~test will bring up the …
suPHP suPHP is a tool for executing PHP scripts with the permissions of their owners. It consists of an Apache module (mod_suphp) and a setuid root binary (suphp) that is called by the Apache module to change the uid of the process executing the PHP interpreter. Main Features of SuPHP suPHP provides an additional layer of protection on servers. It causes php scripts to run under the account username instead of the user nobody which is the user that apache/php would run under on a server that is not running …
Fantastico De Luxe is a powerful auto-installer for cPanel servers, designed to simplify the deployment of popular web applications. With over 10,000 installations and more than one million users, it enables quick and easy installation of leading open-source scripts directly from the cPanel interface. By integrating seamlessly with cPanel, Fantastico allows users to install multiple instances of applications with minimal effort, making it an essential tool for developers, hosting providers, and website owners. Key Features of Fantastico De Luxe Applications Supported by Fantastico Fantastico offers a wide range of scripts …
Secure Shell (SSH) is one of the most critical components of modern server administration. It enables administrators and developers to remotely access servers, execute commands, transfer files, and manage infrastructure securely over an untrusted network. However, if SSH is misconfigured or left unsecured, it can become a major attack vector for brute-force attempts, unauthorized access, and data breaches. In this guide, we’ll explain what SSH is, why securing it is essential, and walk through practical steps to harden SSH access using configuration best practices and SSH key-based authentication. What …
Optimizing MySQL performance is critical for high-traffic applications. This guide explains how to monitor and tune MySQL for efficient resource usage, focusing on modern defaults, InnoDB, and current best practices. 1. Check MySQL Status and Variables Log in to your MySQL server: mysql -u root -p Check general statistics: SHOW STATUS LIKE ‘%tables%’; SHOW VARIABLES LIKE ‘table_open_cache’; Analysis: Open_tables – Number of tables currently open Opened_tables – Tables opened because the cache was too small Tuning tip:If Opened_tables increases rapidly, increase table_open_cache in your my.cnf : [mysqld] table_open_cache = 4000 …
What Is smartd? smartd stands for SMART Disk Monitoring Daemon. It is part of the smartmontools package and continuously monitors the SMART (Self-Monitoring, Analysis and Reporting Technology) system built into modern hard drives and SSDs. SMART helps detect and report early warning signs of disk failure. By monitoring these indicators, smartd allows administrators to take preventive action before data loss occurs. smartd supports: How SMART Works SMART tracks several health indicators such as: When these values exceed safe thresholds, smartd can generate warnings via system logs or email notifications. smartmontools …