I installed from debian-10.7.0-amd64-netinst.iso into a VM under gnome-boxes on a CentOS 8.1 (Stream) system.
During install I was prompted to create a user, but not a root password.
After finishing the install, I can boot the VM just fine, but I find that the user I created is not in sudoers, and I cannot su or login as root as I have no password. Google searching tells me root is disabled by default and has no password.
Tried adding init=/usr/bin/bash (and init=/bin/bash as well) to bootparams, but that causes the boot to fail with what looks like an uninitialized screen buffer on the screen.
Screenshot: https://i.imgur.com/XnOHwPn.png
Booting with "rw init=/usr/bin/bash" (removed "quiet") results in this
Screenshot: https://i.imgur.com/uBMNJZ9.png
Suggestions? Is gnome-boxes not a good choice for VM management?