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Prefacing a command with sudo allows a user to run that command as another user. It is commonly used to run commands, such as dnf, that require administrator permission as a user.
Setting up SudoIn Korora Sudo is normally set up during the installation of the system by selecting the Administrator option when creating the user. However it can easily by created after installation. In a terminal run (replacing 'username' with the username of the user).
su -c "usermod -g wheel username"
You will be asked for the root password.
Using SudoCommands that require authentication can now be run by prefacing them with sudo. When asked for the password enter the user's password. With applications that request authentication it is the user password that is required.
It is still possible to open a root shell by entering
su - in a terminal and typing the root password when asked.