I'm having trouble trying to migrate a Wordpress installation from a cPanel to Virtualmin Pro. I have the archive that was created by the Duplicator plugin which I understand is supposed to be one of the simplest ways to do this task, and I have the installer.php file. I start with a clean public_html folder and since the site is still live elsewhere, I have to try and do this through the Preview Website function. I have to run installer.php and fill in the details and then launch. I can't get any response from the test connection button, nor anything else when I try. I've also tried to install the Wordpress script and then manually extract the archive into the folder wtihout any success. If I do that, then when I try and access index.php or any php file for that matter, it just downloads it.
Please help. I have just 4 days to get something working for this client before their existing hosting service renews and could really use some assistance to get this working properly for them.