The following assumes that you have root access to your server cPanel. ImageMagick es una de las más solicitadas por los add-ons que permiten a manupulation imagen. Siempre trate de usar GD en primer lugar, si está disponible, ya que puede ser compilado en lugar de easyapache directamente. 
CHECK IF YOUR FIRST INSTALLATION:
de ssh root
/scripts/checkimagemagick
INSTALLATION
/scripts/installimagemagick
Installation will take a couple of minutes, because other packages needed to install ImageMagick. After installation, check that it is installed again and should indicate the version.
/usr/bin/convert --version
Le give something like:
Version: ImageMagick 6.4.8, etc
Imagick
Ir a Service -> Software -> Module Installers -> PHP Pecl (manage). The box below “Install a PHP PECL” enter “imagick” and click “Install Now” – that's all. Restart Apache.
Uninstall:
If you decide to uninstall is as easy as the installation process:
ImageMagick: /scripts/cleanimagemagick
Imagick: Service -> Software -> Module Installers -> PHP Pecl (manage). Click the button Uninstall to Imagick
CHECKING WHERE ImageMagick is:
using ssh
whereis converso
must give the directory