ubuntu默认是没有未启用,需要对它进行设置密码来激活它
$ sudo passwd root
Enter new UNIX password:
Retype new UNIX password:
passwd: password updated successfully
ubuntu默认是没有未启用,需要对它进行设置密码来激活它
$ sudo passwd root
Enter new UNIX password:
Retype new UNIX password:
passwd: password updated successfully