1. 关闭mysql服务器
sudo /usr/local/mysql/support-files/mysql.server stop
也可以在系统偏好里有个MySQL里关闭。
2. 更改安全级别
$ cd /usr/local/mysql/bin $ sudo ./mysqld_safe --skip-grant-tables3. 新建Terminal窗口改root密码
$ cd /usr/local/mysql/bin $ ./mysql -u root $mysql> FLUSH PRIVILEGES; $mysql> ALTER USER ‘root‘@‘localhost‘ IDENTIFIED by ‘你的新密码‘; $mysql> EXIT