Server configuration: Aegir, Nginx and Sourcefabric’s Airtime on one box by gcrash

I’ve got a Linode 512 server running; Drupal’s Aegir Sourcefabric’s Airtime vs.1.95 Icecast2 Apache2 Mysql Webmin Aegir is on aegir.mydomain.com and Airtime is on airtime.mydomain.com… (Budget: $20-$250 USD, Jobs: Drupal, Linux, MySQL, PHP, System Admin)