To reset MySQL root password on your VPS server or dedicated server you need to follow step-by-step tutorial.
1. Stop mysql:

/etc/init.d/mysql stop

2. Run in the mode without checking the access rights:

/usr/bin/mysqld_safe --skip-grant-tables --user=root &

3. Connect as root without the password:

mysql -u root

4. Choose an active database:

 mysql use mysql;

5. Renew the password:

update user set Password=PASSWORD('newpwd') WHERE User='root';

newpwd – type your new password.

6. Apply the changes:

flush privileges;

7. Exit MySQL:


8. Reboot MySQL server:

/etc/init.d/mysql restart

You had changed MySQL root password successfully.