How to change the password of a MySQL database
From your Dedibox console, click Hosting. A list of your webhosting accounts displays.
Click Manage next to the hosting you want to configure. The webhosting overview page displays.
Click MySQL databases in the side menu. The list of your databases displays.
Click the cogwheel > Update password. A pop-up displays.
Enter the new password for your MySQL database and its confirmation. Then click Edit password.
The status of your database has changed to Waiting for update. Your password will be updated within one hour.