At Invisible Window we have been hosting our client sites in addition to our own with Media Temple for quite some time. Media Temple’s service and support has been top-notch. There are a few things that we’ve had to figure out along the way and I hope that these links help someone else out there.

1. Disable root ssh access: instructions for disabling the root user and allowing another user to assume the root users permissions. This adds a layer of security requiring an additional username and password to be entered before gaining root user privileges.
   Media Temple Knowledge Base Article
2. Performance Tuning: This article summarizes ways to optimize your (dv) to run with less memory / resources, increase stability, and to ensure higher availability under heavier loads.
   Media Temple Knowledge Base Article
3. Raise Courier-IMAP Connections: Seeing this message when accessing your email? “Unable to connect to your IMAP server. You may have exceeded the maximum number of connections to this server.”By default, Plesk and the Courier-IMAP e-mail server drastically limit the number of inbound connections to prevent users from opening up too many concurrent sessions. Unfortunately, this restriction can impact legitimate users who have multiple computers connecting to the Courier-IMAP server.
   Media Temple Knowledge Base Article