[mythtvnz] Upgrade to Ubuntu 20.04

[Stephen Worthington]

On Mon, 27 Apr 2020 15:15:45 +1200, you wrote:

>I recall seeing something about 20.04.1 but I forgot and followed the guide
>here
>https://www.cyberciti.biz/faq/upgrade-ubuntu-18-04-to-20-04-lts-using-command-line/
>
>and it did not mention any warnings about 20.04.1
>
>Robert Fisher

The "do-release-upgrade" command should have failed to upgrade with a
warning message, and if you followed that page, you would have tried
again using the -d option to force the upgrade.  Did that happen?