I'm using Ubuntu 13.10 with Windows XP SP3 Installed as a Virtual Machine, the only way for me to access the internet is using a PPP broadband USB Modem (DWM-156) I am not able to run it in Ubuntu, I managed to install it on XP and get it to work but I don't know how to share that connection with Ubuntu. I googled it and not found any working workaround for me. I tried all types of "Attached to:" settings on my guest OS, but no success (perhaps there is more settings that I did not).
I'm not an expert, so please explain your answer in step-by-step approach.
Could someone shows me an easy way to do that? Thanks!