This is Wireshark 2.6.8 (Git v.2.6.8)
As with installing anything on Ubuntu, it's never a straightforward process, but it is always a good time to practice inputting commands in the terminal!
Had to get a packaging repository for Ubuntu.
Ubuntu holds resources that another program is using, and I had to stop them all with 'kill'.
Then, finally, we get it to run in root.
This WS screen looks similar to the one on Mojave, but as we're in a virtual machine, there are a few changes: Check out 'Cisco remote capture: ciscodump' at the top. I don't recall that in Mojave Wireshark.
I ping Google. There are a lot of source addresses here. A lot of them were just "From me (10.0.2.15, had to install ifconfig to be sure.) to various Google servers. There's even some loopback addresses in there.
My VB is using NAT (network address translation) to connect to the internet.
We could use bridged to filter data from the physical network, but then we'd be on the home network, no longer separated.
EMPLOYERS: This shows my willingness to keep experimenting with various ways of using the same tool.