I must be missing something... Although, it feels like I've tried everything.
I've tried sub-domains and sub-directories (used host files and/or DNS to test redirects)... I've read several tutorials and followed them very closely...
No matter what I do, none of the internal links are working on the sites. Files upload to the correct directories, wp-login pages come up for each mapped domain accurately.
However, if I try to go to mappeddomain.com/about/ (the default wp about page) - I get a 404 error because my web server is looking for a file at /var/www/about
Here is an excerpt from my apache2 error.log:
[Tue Oct 19 08:40:56 2010] [error] [client 188.8.131.52] File does not exist: /var/www/feed [Tue Oct 19 08:40:56 2010] [error] [client 184.108.40.206] File does not exist: /var/www/comments [Tue Oct 19 08:40:57 2010] [error] [client 220.127.116.11] File does not exist: /var/www/about, referer: http://mappeddomain.com/