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chpasswd(8)                                                        chpasswd(8)

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. It reads a list
       of login and password pairs from standard input or a file and uses this
       information  to  update  the passwords of this user accounts. The named
       account must exist and the password age will  be  updated.  Each  input
       line is of the format:

                 user_name:password

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

OPTIONS
       -c des|md5|blowfish
              This option specifies the hash algorithmus, which should be used
              to encrypt the passwords.

       -e     The passwords are expected to be in encrypted form. Normally the
              passwords 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 authentica-
              tion.

       -P, --path path
              The passwd and shadow files  are  located  below  the  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 <kukuk@suse.de>

pwdutils                         Feburary 2004                     chpasswd(8)
 

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Quelle: http://www.trinler.net/de/service/doc/linux/man.html?command=chpasswd
Gedruckt am: 15.12.2017 22:44 GMT+0100 (2017-12-15T22:44:00+01:00)