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Full Discussion: sudo command with password
Top Forums Shell Programming and Scripting sudo command with password Post 302271965 by otheus on Monday 29th of December 2008 07:13:55 AM
Old 12-29-2008
Well, there's a tool called "John The Ripper", or JTR for short, that can be used to identify weak passwords. However, it requires read access to the password file. If you require going through a program to do what you're trying to do, for ethical reasons, we cannot help.

If you need to recover your system from password lost, you must have physical access to the machine and you can boot off a recovery CD/DVD. Google for "System Rescue linux" or something.
 

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LEARN ABOUT OSX

unafs

UNAFS(8)                                                      System Manager's Manual                                                     UNAFS(8)

NAME

       unafs - script to warn users about their weak passwords

SYNOPSIS

       unafs password-files cell-name

DESCRIPTION

       This  manual  page  documents  briefly  the  unafs command, which is part of the john package.  This manual page was written for the Debian
       GNU/Linux distribution because the original program does not have a manual page.  john, better known as John the Ripper, is a tool to  find
       weak passwords of users in a server.
       The unafs tool gets password hashes out of the binary AFS database, and produces a file usable by John.

SEE ALSO

       john(8), mailer(8), unique(8), unshadow(8).

       The programs are documented fully by John's documentation, which should be available in /usr/share/doc/john or other location, depending on
       your system.

AUTHOR

       This manual page was written by Jordi Mallach <jordi@debian.org>, for the Debian GNU/Linux system (but may be used by others).
       John the Ripper and mailer were written by Solar Designer <solar@openwall.com>. The complete list of contributors can be found in the CRED-
       ITS file in the documentation directory.

john                                                               June 03, 2004                                                          UNAFS(8)
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