Step by step Install ImageMagick into CentOS and Cpanel

CentOS

References:
To Install:
http://www.topwebhosts.org/wp/lamp/linux/how-to-install-php-imagick-on-centos-5/
http://www.tecmint.com/install-imagemagick-in-linux/
To Install and Update from Source:
http://thenitai.com/2009/11/10/upgrade-to-most-recent-imagemagick-version-on-centos-5-x/
http://www.imagemagick.org/script/install-source.php

http://www.tecmint.com/install-imagemagick-in-linux/

http://rakesh.sankar-b.com/2010/07/13/how-to-install-imagemagick-linux-yum/

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Cpanel

1. Login to your cpanel goto Software/Services Category

2. Click on PHP config and scroll to bottom of the page and check on Imagick, then save the configuration.

That's all and you can check it with phpinfo.