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How to Install cPanel/WHM on AlmaLinux 8...

How to Install cPanel/WHM on AlmaLinux 8 Server

How to Install cPanel/WHM on AlmaLinux 8 Server

NetShop ISP

NetShop ISP · Blog Author

Nov 01, 2023 · Technical Tutorials

Often paired together, cPanel control panel is amongst the most popular web-based platforms for website and hosting management, whilst WHM is a server management tool used to manage multiple cPanel accounts.

In this article we will provide a step-by-step guide to installing cPanel and WHM on your AlmaLinux 8 Server.

Prerequisites

In order to follow this guide, you will need the following:

  1. AlmaLinux 8 freshly installed on your server
  2. Minimum 1 GB RAM and minimum 20 GB disk space (read official hardware requirements by cPanel)
  3. Shell access to your AlmaLinux 8 machine with a root-privileged user
  4. cPanel/ WHM license (15-day trial period if this is a new installation of cPanel & WHM)

Steps to Install cPanel on AlmaLinux 8

For all following commands we assume you are logged in with root user. If not, switch to root account using command sudo -i

Step 1: Disable Firewall

It is advised that you disable the firewall on your AlmaLinux server. Run the following command to save the current firewall rules to file, and then disable firewall.

root@localhost:~$ iptables-save > ~/firewall.rules
root@localhost:~$ systemctl stop firewalld.service && systemctl disable firewalld.service

Step 2: Disable SELinux

Since SELinux is incompatible with cPanel & WHM, you must disable it before you can proceed.

Update the contents of the /etc/selinux/config file to set the SELINUX parameter to disabled.

Use the command nano /etc/selinux/config to edit the file.

The expected contents of the file are as follows:

# This file controls the state of SELinux on the system.
# SELINUX= can take one of these three values:
# enforcing - SELinux security policy is enforced.
# permissive - SELinux prints warnings instead of enforcing.
# disabled - No SELinux policy is loaded.
SELINUX=disabled
# SELINUXTYPE= can take one of these two values:
# targeted - Only targeted network daemons are protected.
# strict - Full SELinux protection.
SELINUXTYPE=targeted

Save and close the file.

Now execute the following command to disable SELinux on your environment without requiring immediate server restart:

root@localhost:~$ setenforce 0

Step 3: Set FQDN Hostname

It is important that you have set a Fully Qualified Domain Name as your server’s hostname. This will be your cPanel’s server hostname, the one you will be using to access WHM and cPanel panels from your browser.

Run the following command:

root@localhost:~$ hostnamectl set-hostname mycpanel.mydomain.com

To ensure your hostname is persistent after server restarts, edit the following file and enter your desired hostname. Then save & close the file.

root@localhost:~$ nano /etc/hostname

IMPORTANT: Your server’s hostname must be resolving to the IP address of your server. You can do so by creating a DNS “A” record from within your Domain/DNS registrar portal.

Step 4: Install necessary packages

In order for the installation script for cPanel & WHM to run successfully, Perl must be installed. Run the following command to install Perl.

root@localhost:~$ yum install perl curl wget -y

Step 5: Download & Run cPanel Installer

Run the following command to fetch and run the cPanel & WHM installation script.

root@localhost:~$ cd /home && curl -o latest -L https://securedownloads.cpanel.net/latest && sh latest

This should take a while to complete. Once it does, cPanel & WHM have been successfully installed!

AlmaLinux 8 – Successful cPanel Installation Output

You can now access WHM GUI from your browser using the server hostname or server IP address in order to finish the necessary setup and fine tuning. The following hostnames and IPs are given as an example.

Step 6: Access WHM GUI to Finish Setup

Open your browser and enter any of the following addresses. If you have followed all above steps, all should work.

https://mycpanel.mydomain.com/whm

https://mycpanel.mydomain.com:2087

You can also replace the hostname part with your server’s IP address, for example https://192.168.1.100/whm

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