Using a Mac is a treat for many, and after years of living on Window machines, I appreciate the little things OS X provides. There’s no point preaching to the choir here about how OS X is better…most of us already feel that way. But what I’ve realized while working in IT, is that I have to be adaptable since not everybody can run OS X. Perhaps they are scared of the change or have an application that doesn’t have an Mac counterpart. Whatever the reason, not everyone will jump on the bandwagon. This is especially true in a more corporate environment.

After a number of hours wasted trying to figure out why my VLANs stopped working, it's probably a good idea to make note of what I found.

I have a lot of different Virtualbox VMs created that I use for testing different things. A while back I created a VM image to act as a PPPoE server (Debian squeeze guest running on a lenny host). For reasons that made sense to me at the time, I created VLANs on the guest operating system rather than on the host system (and attaching virtual network adaptors to the...

his guide explains how you can run virtual machines with Sun VirtualBox 3.1 on a headless Ubuntu 9.10 server. Normally you use the VirtualBox GUI to manage your virtual machines, but a server does not have a desktop environment. Fortunately, VirtualBox comes with a tool called VBoxHeadless that allows you to connect to the virtual machines over a remote desktop connection, so there's no need for the VirtualBox GUI.

I do not issue any guarantee that this will work for you!

1 Preliminary Note...