[ Thanks to Falko
Timme for this link. ]
“This tutorial shows how to prepare an Ubuntu 11.10 (Oneiric
Ocelot) server for the installation of ISPConfig 3, and how to
install ISPConfig 3. ISPConfig 3 is a webhosting control panel that
allows you to configure the following services through a web
browser: Apache web server, Postfix mail server, MySQL, BIND or
MyDNS nameserver, PureFTPd, SpamAssassin, ClamAV, and many
more.“Please note that this setup does not work for ISPConfig 2! It
is valid for ISPConfig 3 only!”