1.从MySQL Yum仓库下载最新的rpm文件：http://dev.mysql.com/downloads/repo/yum/
CentOS 6 http://repo.mysql.com/mysql-community-release-el6-5.noarch.rpm

2.yum remove mysql mysql-*  

3.mysql-community-release-el6-5.noarch.rpm

4.yum localinstall mysql-community-release-el6-5.noarch.rpm

6.yum install mysql-community-server

设置currenttime

http://www.metsky.com/archives/118.html

 

参考文件：

http://blog.csdn.net/shootyou/article/details/8236886

 

记得删除老版本的/etc/my.conf,/var/lib/mysql, 或者备份老版本的mysql

否则可能会起动不起来

http://www.th7.cn/db/mysql/201408/66691.shtml