Quote Originally Posted by Odaisé Gaelach View Post
Quote Originally Posted by o_O View Post
You can start a remote session of your VM with VirtualBox, so you can use rdesktop with XP's RDP protocol to remote-desktop into your VM. Once you change a few registry keys, you can configure remote-XP only to show the taskbar, and not the desktop when a user logs in. With all of this configured, the VM windows and programs will appear to Linux as additional programs.
D'you think it would it be possible in reverse? I mean, with Windows as the host and Linux as the guest?
It could be. You'd need to set up a bridge or ip forwarding system from Windows, and configure Linux to use the connection. I don't know if the Windows binary of VirtualBox is compiled with support for VRDP serving (or USB support, for that matter). The GPL'd version doesn't have either.

With Windows as the guest, you configure it not to show the desktop via the registry; I'm sure it's possible to do that in Linux, but you have to figure out how (and it would vary between DEs). Maybe take out the desktop program from whatever rc script starts the DE services, or just use a WM like flux without a desktop component.

You'd also need to be RDPing into Linux, and I couldn't say how that would work. I don't know of any servers for Linux or clients for Windows.