Just in case you didn't know already:
Adding your Linux user to the 'docker' group allows the user to do this:
docker run --rm -ti -v /:/hostRoot:Z fedora /bin/sh -c 'chroot /hostRoot /bin/bash'
No sudo password required.
Being in the 'docker' group basically grants root access to the user.
You can check user groups with the 'groups' command.
This is a single-user instance and the registration will never be open.
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