Last month we wrote this tutorial showing you how to create backups using the Backup and Migrate module. Now we need to learn how to use it to either migrate or duplicate a site.
If you have an existing site, and need to make some changes or add modules, it's best to create a test environment that is identical to the production site. Do all your experimentation there and then it's a snap to migrate the changes.
This tutorial shows you how to migrate or duplicate your site using the Backup and Migrate module.