I tried to boot a Centos 8.2 install CD, one burned with Centos-8-2-2004-x86_64-boot .
In the setup, it persisted in telling me that ethernet thing enp0s25 was disconnected. Nyet. 'Twas working several seconds previous and is working now. This is a showstopper. How do I debug it?
Also, whatever else it did, I now have environment variable HOSTNAME=2001-48F8-3004-2CE-1AE9-F1BF-8759-FF4C-dynamic.midco.net . It shows up on my terminal window headers and as part of the prompt on one terminal. WTF is going on?