http://www.perlmonks.org?node_id=198843


in reply to Re: Re: How to use MD5?
in thread How to use MD5?

my  man adduser says:

 -p passwd
    The  encrypted  password,  as returned by crypt(3).
    The default is to disable the account.

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That is, unless you use a modified adduser, you have to provide a crupt'ed password (not md5).

In Section Seekers of Perl Wisdom