[all variants] How to get PureFTP and PureAdmin FTP to work?

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http://ubuntuforums.org – I'm trying to set up an FTP server with PureFTP and PureAdmin, but I just don't get it to work. I've been searching all over the web for a solution, this helped to some extend, but I'm not there yet. I'm on Xubuntu 12.10-64. I want someone to be able to log int onto a fake root on an external hard drive and upload/download, create and delete files and folders. Actually, everything I could do myslef, except for navigating below the fake-root, see the real path of the folder he's in and of course is not able to delete the root folder he's in or change it's permissions. I've set up both the Hom (Hardware)