To change the root password run the following command,
sudo passwd[sudo] password for shovon:
Enter your current account's password and press <Enter>. Then you will see the following prompt:
Enter new UNIX password:
Enter the password that you want root account to have and press <Enter>, Then you will see the following prompt:
Retype new UNIX password:
Retype the root password and press <Enter>. You will see the following line.
passwd: password updated successfully
Congrats! You have successfully changed the root password.
