12-15-2010
It is not possible to directly set a specific password for a unix account with standard unix commands.
Your earlier posts suggest that you may know the correct value for the password "salt" without stating that value. Afaik the "crypt" program has nothing to do with passwords. Afaikn you would need knowledge of the correct "salt" value and a custom "C" language program to produce a valid encrypted password and then (as "vishalaswani" notes) some skilled editing to modify the shadow file.
I have a "C" program to set a unix password to a given value but there is no way that I would publish such a program on the Internet.
As "dangral" suggests, consider using the "passwd" command.
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LEARN ABOUT DEBIAN
ns_crypt
ns_crypt(3aolserver) AOLserver Built-In Commands ns_crypt(3aolserver)
__________________________________________________________________________________________________________________________________________________
NAME
ns_crypt - commands
SYNOPSIS
ns_crypt key salt
_________________________________________________________________
DESCRIPTION
ns_crypt encrypted the key, also known as the password, using the salt and returns the result. It uses the same algorithm as the unix
crypt command.
The result from ns_crypt is a 13-character string. The first two characters correspond to the salt, and the remaining eleven characters
correspond to the password encrypted with the specified salt.
The password is a string (typically that of a password to be used for nscp and/or nsperm authentication).
salt should be two characters, typically from the set [a-zA-Z0-9./]. If the empty string is specified as the salt then ns_crypt returns
the empty string. If a string longer than two characters is specified for the salt it is truncated to two characters. If a one character
salt is provided the output will appear to have a two-character salt (the single character repeated), however, the encrypted value does not
correspond to the same password being encrypted with the equivalent two character salt. (As a result sticking with a two character salt is
highly recommended.)
Input to ns_crypt is case-sensitive.
EXAMPLES
nscp> ns_crypt aolserver ns
ns0WvClsyIL4A
nscp> ns_crypt aolserver NS
NSDQ1dPM.409Q
nscp> ns_crypt aolserver tcl
tcAbgtlzbEhVc
nscp> ns_crypt aolserver tc
tcAbgtlzbEhVc
nscp> ns_crypt aolserver ..
..7TNvXHLxJ9Y
nscp> ns_crypt aolserver .
..fwmBaZuzrRs
SEE ALSO
nsd(1), info(n), nscp, nsperm, crypt(3)
KEYWORDS
AOLserver 4.0 ns_crypt(3aolserver)