yum -y install wget
wget http://repo.mysql.com/mysql-community-release-el6-5.noarch.rpm
rpm -ivh mysql-community-release-el6-5.noarch.rpm
service mysqld status
yum install mysql-community-server -y
service mysqld start
service mysqld status
mysql -u root -p
use mysql;
update user set password=password('123456') where user='root';
update user set host='%' where host='::1';
flush privileges;