After seeing @undersuit's comment, I decided to try the Ubuntu Server 19.10 ISO and it booted fine off a USB drive. Good to know that no tricks are required (s

After seeing @undersuit's comment, I decided to try the Ubuntu Server 19.10 ISO and it booted fine off a USB drive. Good to know that no tricks are required (such as these: http://www.linuxium.com.au/home http://www.linuxium.com.au/home). I had been banging my head against the wall trying to get older versions of Ubuntu Server installed on my stick PC.