Few Simple steps to change your mysql root password.
service mysql stop
wait until MySQL shuts down. Then run
mysqld_safe –skip-grant-tables &
then you will be able to login as root with no password.
mysql -uroot mysql
In MySQL command line prompt issue the following command:
UPDATE user SET password=PASSWORD(”abcd”) WHERE user=”root”;
At this time your root password is reset to “abcd” and MySQL will now
know the privileges and you’ll be able to login with your new password:
mysql -uroot -pabcd mysql