centos-5的源默认提供mysql-5.0的rpm包,而centos-6的源默认提供mysql-5.1的rpm包,这都有点旧了,下面由www.centos.bz提供yum安装mysql-5.5/5.1的方法

1、导入第三方源webtatic

CentOS-5:

rpm -Uvh http://repo.webtatic.com/yum/centos/5/latest.rpm

CentOS-6:

rpm -Uvh http://repo.webtatic.com/yum/el6/latest.rpm

2、安装MySQL client

yum install libmysqlclient15 --enablerepo=webtatic

3、删除存在的mysql

yum remove mysql mysql-*

4、安装mysql

mysql-5.5:

yum install mysql55w mysql55w-server --enablerepo=webtatic

mysql-5.1:

yum install mysql51 mysql51-server --enablerepo=webtatic

5、启动并升级mysql

service mysqld start
mysql_upgrade

6、设置开机启动

chkconfig mysqld on