On Mon, Jul 06, 2015 at 03:20:39PM -0400, ProfJCNash wrote: > I have some experience playing with the network settings and have had to > do so once or twice. But so far it has been trial and error until things > work. Bad practise. I should try to learn what the settings mean. Is it that you just don't understand the settings themselves, or that you don't understand the virtualization and networking concepts behind them? > I have a suspicion -- to be confirmed -- that I need to work out what > Vbox offered network card corresponds to what I physically have, Doesn't exactly work that way. An emulated network card is just that. Bridge networking is the only mode that “maps” it onto a real card. The rest all rely on the normal kernel routing. > which usually is a wifi card, Wi-Fi won't work as-is. You'd have to NAT (MAC NAT—shivers, or IP and TCP/UDP nat) at the host in the kernel. > though I could plug in on this machine. Save you a load of bother.