When building systems in VirtualBox that have more than a few servers, or for special requirements like modelling server clusters, it is useful to have a separate virtual machine to provide the internet services one would typically find in a network. The most common services required are DNS, some kind of internet gateway or proxy server, an NTP server, and a HTTP server.
In this document I go through building a utility server to be used in a number of larger infrastructure models. Although generally I prefer to build my own installations, in this case I will use a pre-built appliance, just to provide an example of how quick and easy it can be.
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