Today you’re going to learn how to upgrade MySQL 5.1 to MySQL 5.5 on CentOS 6.7. This article assumes that you are running the CentOS BASE version of MySQL 5.1. We are ALSO assuming that you are not running this on a live, production environment. If you do plan on running this on a live … Continue reading How to Upgrade MySQL 5.1 to MySQL 5.5 on CentOS 6.7