1.安装
//查看是否安装
rpm -qa|grep -i mysql
//安装mysql
rpm -ivh --force server*******.rpm
rpm -ivh --force client*******.rpm
//查看是否安装成功
rpm -qa|grep -i mysql （出现server*与client*及lib说明安装成功）
2.初始化root密码
//使用default配置文件
mv /etc/my.cnf /etc/my.cnf.bak
//停止没有散去了服务
service mysql stop
//使用安全模式启动mysql
mysqld_safe --skip-grant-tables&
//配置mysql默认密码为空
UPDATE user SET password=PASSWORD("") WHERE user='root';
FLUSH PRIVILEGES;
正常重启mysql service mysql restart
SET password=PASSWORD('');
FLUSH PRIVILEGES;3.添加数据库用户
CREATE USER 'username'@'%' IDENTIFIED BY 'password';
GRANT ALL ON *.* to username@'localhost' IDENTIFIED BY 'passwoerd';
GRANT ALL PRIVILEGES ON *.* TO 'username'@'%' IDENTIFIED BY 'password' WITH GRANT OPTION;
FLUSH PRIVILEGES;