How to Change MYSQL Root PASSWORD Ubuntu 14.04

I have created Droplet and Followed on of the Tutorial to infall LAMP.

However, Please can someone help me to Change the MYSQL Root Password (XXXXXX) as Shown in the MOTD below

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Thank you for using DigitalOcean’s LAMP Application. Your web root is located at /var/www/html and can be seen from http://blah.blah.blah.blah/ The details of your PHP installation can be seen at http://1blah.blah.blah.blah/info.php Your MySQL root user’s password is XXXXXXX You are encouraged to run mysql_secure_installation to ready your server for production.

I followed this Steps,

STEP [1] [https://www.digitalocean.com/community/tutorials/how-to-import-and-export-databases-and-reset-a-root-password-in-mysql]

Following STEP[1] , I am able to Login phpmyadmin using either of the NEW Password created in STEP[1] Or using the MOTD’s XXXXXXX

Is it Possible to Change this MOTD’s password XXXXX to something else. I thought STEP [1] would help, but unfortunately it doesn’t.

Thank you in advance.