$ sudo passwd root
[sudo] password for root:

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pete            HPPA = /usr/bin/passwd [A-Za-z]*, !/usr/bin/passwd *root*

##</code><code>##

passwd username --expire

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/home/alex>sudo passwd root
Password:
Changing password for root
Enter the new password (minimum of 5 characters)
Please use a combination of upper and lower case letters and numbers.
New password: