1.进入root用户提示su: Authentication failure
roots@ubuntu:~$ su - Password: su: Authentication failure
2.通过sudo更改root密码就可以了
roots@ubuntu:~$ sudo passwd root [sudo] password for roots: Enter new UNIX password: Retype new UNIX password: passwd: password updated successfully roots@ubuntu:~$ su - Password: root@ubuntu:~#
转载于:https://www.cnblogs.com/Dev0ps/p/8085227.html
