Upgrade mysql
============
Check the  MySQL that already installed inside our kloxo.
# rpm -qa | grep -i mysql

Check the latest Mysql available for Kloxo
# yum check-update mysql-server

Upgrade mysql :
# yum update mysql-server

For upgrade PHP
==============
Check the server PHP latest version
# rpm -qa | grep -i php

Check the latest PHP version available
# yum check-update php

Upgrade PHP
# yum update php