How to Install cPanel on VPS or Dedicated Server (Ubuntu, CentOS, and AlmaLinux)

cPanel is a widely-used web hosting control panel that simplifies server management. Here's a step-by-step guide to installing cPanel on Ubuntu 22.04 LTS, CentOS, and AlmaLinux.

Prerequisites

1. A fresh server installation (minimal setup).
2. A public static IP address.
3. Root access.
4. Minimum hardware: 2 GB RAM, 20 GB disk space (higher recommended).

For Ubuntu 22.04 LTS (Jammy Jellyfish)

Step 1: Update the System

Make sure your system is up to date:

Step 2: Set the Hostname

Set an FQDN for the server:

Step 3: Install Perl

cPanel requires Perl to run the installer:

Step 4: Install cPanel

Download the cPanel installation script and run it:

The installation will take some time depending on your server's specifications.

Step 5: Access WHM

Once installed, access WHM (Web Host Manager) at:

Log in with your root credentials and follow the setup wizard.

For CentOS and AlmaLinux

Step 1: Update the System

Run:

Step 2: Set the Hostname

Set a fully qualified domain name:

Step 3: Disable SELinux

Edit the SELinux configuration file:

Set SELINUX=disabled and save. Then reboot:

Step 4: Install cPanel

Run the installation script:

Step 5: Access WHM

Log in via:

Post-Installation Steps

1. Activate License: WHM will prompt for license activation.
2. Set Nameservers: Configure DNS.
3. Security Hardening: Set up firewalls and other protections.

Key Differences

• CentOS: Stable but no longer actively developed (CentOS 7 is supported until 2024).
• AlmaLinux: Actively supported and recommended for new installations.
• Ubuntu 22.04: A newly supported OS by cPanel, suitable for those familiar with Ubuntu environments.

Conclusion

cPanel installation is now possible on Ubuntu 22.04, making it a versatile choice alongside CentOS and AlmaLinux. Follow the steps above to get started with cPanel on your VPS or dedicated server.