installing memcache on centos through yum

http://www.lullabot.com/articles/installing-memcached-redhat-or-centos

Also upgrading php to v5.2 on centos JSON is the issue on 5.1.6 (issue is its not supported till 5.2)

http://bluhaloit.wordpress.com/2008/03/13/installing-php-52x-on-redhat-e...