Http://dev.mysql.com/doc/refman/5.7/en/resetting-permissions.html
Pro-test Method 3, the password has been successfully reset.
(Thank you very much, tell me the official website has reset method, online search a bunch of heap ...)
In addition, Step1 and second originated from http://www.2cto.com/database/201303/197067.html
English is not good, the official did not look very clear # #)
Step1:
Apple--System preferences, bottom point MySQL close MySQL service in popup page (click Stop MySQL server)
Step2:
Enter Terminal input: cd/usr/local/mysql/bin/
Log in Administrator right after enter sudo su
Enter the following command to disable the MySQL authentication feature after entering the carriage return./mysqld_safe--skip-grant-tables &
MySQL will restart automatically after carriage return (the MySQL status in preferences will become running)
Step3.
Enter the command./mysql
Enter command FLUSH privileges after carriage return;
Enter the command after the SET PASSWORD for ' root ' @ ' localhost ' = PASSWORD (' Your new password ');
At this point, the password modification completed, can be successfully logged in.
[MySQL] OSX 10.10 system modified MySQL root password