(1) '系統偏好設置' > MySQL > 'Stop MySQL Server'
(2) sudo /usr/local/mysql/bin/mysqld_safe --skip-grant-tables
(3) 新開另一個terminal,執行:
sudo /usr/local/mysql/bin/mysql -u root
UPDATE mysql.user SET authentication_string=PASSWORD('新密碼') WHERE User='root';
FLUSH PRIVILEGES;
\q
(舊版的mysql請使用:UPDATE mysql.user SET Password=PASSWORD('新密碼') WHERE User='root';)
4. '系統偏好設置' > MySQL > 'start MySQL Server'