Here is the installation instructions… make sure you put ( n ) where it ask if you bought a license that will install the trial..

INSTALLATION INSTRUCTIONS
Execute the following commands from root ssh shell:

Requirements

WHMPHP is built on top of cPanel. Therefore, cPanel is required to run WHMPHP. WHMPHP is compatible with any server running on cPanel.

cPanel 11+ preferred.
cPanelPHP must be compiled with cURL enabled.
VPS or Dedicated server with cPanel.

Installation

  1. rm –f install.sh ;
  2. wget http://whmphp.com/download/install.sh;
  3. sh install.sh

Once you installed, login to WHM and click on the WHMPHP link under the Plugins category. The first step you have to do is to enter your WHMPHP License key. Next, you have to import a Reseller ACL from Settings->Import ACL. You must have a Reseller ACL so that WHMPHP can assign correct reseller permissions.

Uninstallation

  1. rm –f uninstall.sh ;
  2. wget http://whmphp.com/download/uninstall.sh;
  3. sh uninstall.sh

Manual Update

  1. rm –f update.sh ;
  2. wget http://whmphp.com/download/update.sh;
  3. sh update.sh