How to change the root password of Ubuntu

Install Ubuntu system, only prompted to set the user password, the password can be used for ordinary users to temporarily get root permissions, to perform some operations that require root privileges, and do not require us to set the root password, when the need to use the root password, but can not remember, very embarrassing Ah! In some information, find a way to change the root password, pro-Test available!

[Email protected]:~  # sudo passwd rootsudo: Unable to resolve host: Ubuntu input new UNIX password: Reenter new UNIX password: passwd: Password updated successfully [email protected]:  ~# Su-   root[email protected]:

The key is sudo passwd root, entered two times after the new password can be, execute su-root into root mode

How to change the root password for Ubuntu