I'm just wondering, after you installed VirtualBox, did you happen to restart your computer? There's a couple of kernel modules that are added via DKMS when you install VirtualBox, mostly having to do with networking.

I suspect that NAT may work without these kernel modules, kind of like how KVM user-mode networking works, but I'm certain those drivers would be needed for bridged networking as it effectively bypasses Linux's network stack to make like a virtual network adapter.

So, if you've been doing all this without rebooting, reboot and try again to see if that helps.

On Wed, Nov 16, 2022, at 7:23 AM, Keith Smith via PLUG-discuss wrote:
> I find this behavior odd.  If I install Linux on a laptop or desktop 
> Linux's config is what matters.  And that is what I was expecting from 
> VirtualBox.  VirtualBox does things that actually interfere.  I'm sure 
> it has all these features for a reason.  I was expecting to Install 
> Linux and be on with my life.  I might have spent 20 hours on this 
> project.  And I expect to spend more time on it.  Hopefully I will be 
> done with it by tonight.
> 
> I want to try another flavor of Linux on my desktop (another old 
> laptop), probably Mint... I know it is also Debian... any suggestions on 
> a distro to try for my desktop for testing VirtualBox only?  Id another 
> distro works than it might be something within Kubuntu.
> 
> 
> 
> 
> On 2022-11-15 23:54, Steve Litt via PLUG-discuss wrote:
> > Bob Elzer via PLUG-discuss said on Tue, 15 Nov 2022 21:30:14 -0700
> > 
> > 
> >> If you're local IP address was 192, where did the 10 address come 
> >> from?
> > 
> > If VirtualBox is anything like Qemu, the 10 is because the default
> > behavior is to NAT the VM guest to 10.whatever. In Qemu this behavior
> > can be changed, as documented at
> > http://troubleshooters.com/linux/qemu/nobs.htm . I think it's probable
> > you can do the same thing with VirtualBox.
> > 
> > SteveT
> > 
> > Steve Litt
> > Autumn 2022 featured book: Thriving in Tough Times
> > http://www.troubleshooters.com/bookstore/thrive.htm
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