from root ssh
Installation will take a couple minutes as it will install other packages needed by ImageMagick. After the installation, check that it is installed again and it should state the version.
It will give you something like:
Version: ImageMagick 6.4.8, etc
Go to WHM -> Software -> Module Installers -> PHP Pecl (manage). On the box below “Install a PHP Pecl” enter “imagick” and click “Install Now” button – that’s all. Restart Apache.
Uninstall:If you decide to uninstall it’s as easy as the installation process: