cPanel is a Linux-based web hosting control panel that provides a simple graphical interface for easily managing files, domains, emails, databases, security, and server backups without needing command-line access.
This article explains common HTTP error codes, their causes, and quick fixes for both client‑side and server‑side issues. It also describes the InstaSite configuration file used by cPanel & WHM to automatically generate websites, including its JSON structure and required parameters.
This article explains how to launch a cPanel & WHM instance on Amazon Lightsail, including selecting a region, choosing a blueprint, configuring SSH keys, selecting a plan, creating the instance, monitoring installation, setting up WHM, assigning a static IP, and managing firewall ports.
This guide explains how to launch a cPanel & WHM instance on Amazon Web Services™ (AWS) using the official Amazon Machine Image™ (AMI). This is the recommended and most reliable method for deploying cPanel & WHM on AWS.
This guide explains how to create and configure an Azure virtual machine using the official cPanel & WHM Marketplace image. It covers selecting the OS image, configuring project and instance details, authentication methods, deployment steps, accessing WHM for the first time, and managing your Azure VM.c
This guide explains how to manage a Linode instance after deployment, including accessing the server, performing essential instance actions, and handling lifecycle operations. It also provides a complete overview of the cpuser_service_manager script and the Ubic subsystem, which allow cPanel users to manage user-level services efficiently.
This article explains the purpose, functionality, syntax, and performance‑tuning options of the splitlogs binary used by cPanel & WHM to optimize Apache log handling. It covers arguments, configuration files, and best practices for improving log performance and resource usage.
This article explains the new ea-apache24-mod-passenger package, which replaces older Passenger modules in EasyApache 4. The updated package no longer installs Ruby automatically and instead uses the newest installed versions of Ruby, NodeJS, and Python on the system. It also covers installation methods, default paths, symlinks, troubleshooting missing parameters, and Passenger runtime settings.
This article explains how NGINX with reverse proxy works in cPanel & WHM when installed via the ea-nginx package. It covers installation, service management, user and application integration, optional NGINX packages, compression modules, HTTP/2, NJS, and the default configuration changes applied to Apache, logging behavior, CloudFlare compatibility, and file access rules.
This article explains how to customize NGINX with reverse proxy on cPanel & WHM servers. It covers global configuration settings, custom .conf files, server block customization, user-level configuration, Cloudflare management, file access restrictions, increasing worker processes, and enabling the X‑Cache‑Status header.ز
This article explains how caching works in NGINX with reverse proxy on cPanel & WHM servers. It covers cache storage, cache control headers, custom cache keys, using .htaccess for cache management, third‑party integration, and common troubleshooting issues such as proxy_headers_hash errors and restart failures.
This article explains the ea-nginx script used to manage NGINX configurations in EasyApache 4. It covers how to run the script, configure or remove users, manage user and system caching, clear cache files, and use additional options such as reload, help, and hint.
This article explains how to convert Roundcube from MySQL to SQLite, manage folders in the Roundcube Webmail interface, and configure email signatures—including images—within Roundcube. It provides step-by-step instructions for administrators and end users.
