参考文档: http://dev.mysql.com/doc/refman/5.6/en/linux-installation-yum-repo.html

1. 下载 rpm 文件:
wget http://repo.mysql.com/mysql-community-release-el6-5.noarch.rpm

2. 安装 rpm 文件
sudo yum localinstall mysql-community-release-el6-5.noarch.rpm

3. 检查 rpm 是否已经安装成功:
yum repolist enabled | grep "mysql.*-community.*"

6. 停止 mysql
sudo service mysqld stop

7. 执行安全设定
mysql_secure_installation

8. 远程登录设置(假设root密码为mypassword)

mysql -u root -pmypassword)
GRANT ALL PRIVILEGES ON *.* TO 'root'@'%' IDENTIFIED BY 'mypassword' WITH GRANT OPTION;
FLUSH PRIVILEGES;
EXIT;