Incorrect root user password in linux

Problem:

When entering the command su root, the password is incorrect no matter how hard I enter it.

Reason:

Because the newly installed Linux system does not set a password for root.

Free learning video tutorial sharing: linux video tutorial

Solution:

First enter the following command:

sudo passwd root

[sudo] password for sam(username): Enter the password for the current login liunx username

Enter new UNIX password: Enter the new password and confirm, at this time The password is the new root password

Retype new UNIX password: Confirm the new root password again

Pop-up: passwd: password updated successfully

Then enter root permissions That’s it, as follows:

su root

Switch to a normal user, for example, the configured user name is sam

su sam

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