Introduction A WHM reseller account without an associated domain allows you to create a reseller-level administrative user that is not linked to a cPanel hosting account or a domain name. This type of account is useful for employees, support engineers, or administrators who require access to WHM to perform server management tasks without being granted ..
Author : meenakshi k
Introduction When LiteSpeed is installed on a cPanel & WHM server, QUIC support is enabled by default for HTTPS virtual hosts. QUIC uses UDP port 443 to improve connection performance and reduce latency. In some environments, administrators may need to disable QUIC globally or for specific domains due to firewall restrictions, compatibility concerns, or troubleshooting ..
Introduction The max_connections setting in MySQL defines the maximum number of simultaneous database connections allowed on the server. If this limit is too low, users may face “Too many connections” errors. By default, MySQL sets this value to 151 connections. Prerequisites Before making changes, ensure you have: a. Root access to the server (SSH or ..
Introduction ModSecurity (also known as mod_security) is a Web Application Firewall (WAF) module for Apache, LiteSpeed, and NGINX. It helps protect web applications from common attacks such as SQL injection, XSS, brute force attempts, and malicious bots. In a cPanel/WHM environment, ModSecurity adds an extra layer of security to hosted websites. Prerequisites Before proceeding, ensure: ..
Introduction PHP-FPM (FastCGI Process Manager) is a modern and efficient PHP handler widely recommended for servers running cPanel/WHM. Compared to the legacy PHP-CGI, PHP-FPM offers better performance, improved memory usage, and enhanced security, making it ideal for high-traffic and resource-intensive websites. Prerequisites Implementation Step 1: Log in to WHMAccess WHM using your root credentialshttps://your-server-ip:2087 Step ..
Introduction cPHulk Brute Force Protection is a built-in security feature in WHM/cPanel designed to protect servers from brute-force login attempts on services like WHM, SSH, cPanel, FTP, and Email. Sometimes, however, you may get locked out of WHM or SSH because cPHulk has blacklisted your IP. Clearing or flushing the cPHulk cache helps reset the ..
Introduction Keeping your mailing list accurate and up-to-date is essential for effective communication. Whether you need to add new subscribers or remove outdated email addresses, managing your mailing list ensures your messages reach the right recipient. Prerequisites Implementation Step 1: Log in to WHM Step 2: Access Mailing Lists Step 3: Manage the Mailing List ..
Introduction Apache (also known as httpd) is one of the most widely used web servers globally. In a cPanel/WHM-managed server environment, ensuring that Apache is running smoothly is essential for website uptime and reliability. WHM’s Service Manager allows system administrators to monitor and manage critical services like Apache with ease. Prerequisites Implementation Step 1: Log ..
Introduction Managing email accounts via the command line can significantly streamline server administration tasks. cPanel provides a powerful API called UAPI, which allows administrators to create email accounts without using the cPanel web interface. This method is ideal for automation, scripting, or simply performing actions more efficiently through SSH. Prerequisites (i) Root SSH access to ..
Introduction When running a web hosting server, keeping track of resource usage—especially memory—is crucial for performance and uptime. One common issue that can cause unexpected downtime is the “Out of Memory (OOM)” condition. When your server runs out of available memory, processes can get killed by the system, often without immediate notice. Prerequisite WHM – ..
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