This assumes you are using VirtualBox, which is free and available for Linux as well as other operating systems:
Create the virtual machine on another computer first, and install windows the normal way. Once the virtual machine is configured the way you want it, transfer the virtual disk image to the remote ubuntu machine.
Once you have the image in place, you can control virtualbox from a command line using the VBoxManage command. For example, to start a VM called "WinXP" you issue a command like:
This assumes you are using VirtualBox, which is free and available for Linux as well as other operating systems:
Create the virtual machine on another computer first, and install windows the normal way. Once the virtual machine is configured the way you want it, transfer the virtual disk image to the remote ubuntu machine.
Once you have the image in place, you can control virtualbox from a command line using the VBoxManage command. For example, to start a VM called "WinXP" you issue a command like:
$ VBoxManage startvm "WinXP" -type vrdp.