Knowledgebase

Overview:
cPanel & WHM is a popular web hosting control panel that usually requires a minimum of 2 GB RAM. For testing, development, or low-load environments, it is possible to install cPanel on servers with less than 2 GB RAM using an automated script that handles necessary checks and adjustments.

Prerequisites

1. Operating System:

   • Supported: CentOS, AlmaLinux, Rocky Linux 8+

   • Minimal OS installation is recommended (no GUI).

2. Server Requirements:

   • CPU: 1+ cores

   • RAM: Minimum 1 GB, ideally 2 GB

   • Disk Space: Minimum 20 GB, recommended 40+ GB

3. Network & Access:

   • Root SSH access to the server.

   • Open ports for cPanel (2082, 2083, 2086, 2087, 2089, 2096, 80, 443, etc.)

Installation Steps

1. Download the cPanel Install Script

curl -O https://scripts.cpanelcentral.com/cpanel-install.sh

This script handles most of the installation logic, including dependency checks, required configurations, and optional memory adjustments for low-RAM servers.

2. Run the Installer

bash cpanel-install.sh

Notes:

• The script automatically handles low-memory servers by enabling temporary swap space or adjusting memory settings.

• The installation can take 30–60 minutes, depending on your server resources and network speed.

3. Post-Installation

1. After installation, access WHM via:

https://your-server-ip:2087

2. Log in using root credentials and complete the initial setup wizard to configure networking, nameservers, and licenses.