Martin Dougiamas

Full backups of the data directory will be in the next version - I've already been looking into it.

I recently found this nice PHP class that does zip and unzip, so there will be soon be a button somewhere to create and download zipped backups.

http://www.phpconcept.net/phpzip/

See the slasharguments variable in Admin -> 'Configure Variables'

No, people have to subscribe themselves to the site news forum.

You can't just make up names and expect them to work.

Don't use "pgsql", use "postgres7" in config.php

It says this very clearly in the comments.

Creating them by "hand" will work for course files, but might run into problems with assignments, user profiles and forum attachments.

I suggest taking a negative attitude toward paying your next bill with this ISP.