http://www.yoyoclouds.com/2012/10/installing-and-configuring-nfs-on-centos.html
http://www.howtoforge.com/setting-up-an-nfs-server-and-client-on-centos-6.3
http://eduardo-lago.blogspot.com/2012/02/installing-nfs-on-centos-62.html
http://blog.malaya-digital.org/setup-a-minimal-centos-6-64-bit-nfs-server/
http://www.howtoforge.com/setting-up-an-nfs-server-and-client-on-centos-5.5