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MAN page from OpenSuSE pwdutils-3.2.5-2.4.1.x86_64.rpm

chpasswd

Section: Maintenance Commands (8)
Updated: Feburary 2004
Index 

NAME

chpasswd - change user passwords in batch 

SYNOPSIS

chpasswd [-D binddn] [-P path] [-c des|md5|blowfish | -e] [file] 

DESCRIPTION

chpasswd changes passwords for user accounts in batch. Itreads a list of login and password pairs from standard inputor a file and uses this information to update the passwords of thisuser accounts. The named account must exist and the password age willbe updated. Each input line is of the format:


          user_name:password

If the hash algorithmus is not given on the commandline, the valueof GROUP_CRYPT or, if not specified, CRYPT from/etc/default/passwd is used as hash algorithmus.If not configured, the traditinal des algorithmus is used. 

OPTIONS

-c des|md5|blowfish
This option specifies the hash algorithmus, which should be used toencrypt the passwords.
-e
The passwords are expected to be in encrypted form. Normally thepasswords are expected to be cleartext.
-D, --binddn binddn
Use the Distinguished Name binddn to bind to the LDAP directory.The user will be prompted for a password for simple authentication.
-P, --path path
The passwd and shadow files are located belowthe specified directory path. chpasswd will use this files,not /etc/passwd and /etc/shadow.
 

FILES

/etc/default/passwd - default values for password hash 

SEE ALSO

passwd(1),passwd(5),shadow(5) 

AUTHOR

Thorsten Kukuk <kukukAATTsuse.de>


 

Index

NAME
SYNOPSIS
DESCRIPTION
OPTIONS
FILES
SEE ALSO
AUTHOR

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