If you forgot your MySQL root password, you can reset it by following these steps.
1. Stop the MySQL service.
service mysql stop
2. Start MySQL without password and permission checks.
mysqld_safe --skip-grant-tables &
3. Press [ENTER] again if your output is halted.
4. Connect to MySQL.
mysql -u root mysql
5. Run following commands to set a new password for root user. Substitute NEW_PASSWORD with your new password.
UPDATE user SET password=PASSWORD('NEW_PASSWORD') WHERE user='root';
FLUSH PRIVILEGES;
6. Restart the MySQL service.
service mysql restart
