Description of problem: The information on setting a superuser and password for grub2 is out of date in the System Administrators Guide, as it does not take into account the predefined 'root' superuser. All that a user needs to do to enable this superuser is to execute the grub2-setpassword utility, which will prompt the user for a password. An encrypted password will be placed in the /boot/grub2/user.cfg file, which only the system's 'root' account can access. Version-Release number of selected component (if applicable): Fedora 25 (possibly earlier also). How reproducible: Steps to Reproduce: 1. 2. 3. Actual results: Expected results: Additional info: