I can not log in under the superuser in ubunt. I enter in the terminal:

russia@russia-desktop:~$ su Пароль: su: Сбой при проверке подлинности

I have only one user, i.e. i myself What to do?

    1 answer 1

     sudo -s

    or

     su <имя администратора> sudo -s

    In this case, the name of the administrator must be the name of the user who belongs to the group of admins.