If you want to grant remote access privileges to a DB on your server,Please look fllow.

First login trough SSH on your server and get access to you mysql

$mysqladmin -u xxx password  xxx

Note: the db user and db passwd are your database username and database password

GRANT ALL PRIVILEGES ON db_base.* TO db_user @’%’ IDENTIFIED BY ‘db_passwd’;

You can also grant accesss to a specific IP adress

GRANT ALL PRIVILEGES ON failserv_example.* TO failserver@’xx.xx.xx.xx’ IDENTIFIED BY ‘db_passwd’;

(where x is your own remote IP)

Refresh privileges,After that to activate your setting… Read the rest