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chage(1)                                                              chage(1)

NAME
       chage - change user password expiry information

SYNOPSIS
       chage [-D binddn] [-P path] [-m mindays]
             [-M maxdays] [-d lastday] [-I inactive] [-E expiredate] [-W warn-
             days] user

       chage -l [user]

DESCRIPTION
       chage is used to list and change the password expiry information  of  a
       user.  It  allows the system administrator to change the number of days
       between allowed and required password changes and the date of the  last
       password  change. It allows also to define when an account will expire.
       The chage command is restricted to the system administrator, except for
       the -l option, which may be used by an user to determine when his pass-
       word or account is due to expire.

       If no option is given, chage operates in an interactive mode, prompting
       the  user  with the current values for all of the fields. Enter the new
       value to change the field, or leave the line blank to use the   current
       value.  If  the  users  exists in the local passwd file, but not in the
       local shadow file, chage will create a new entry in the shadow file.

OPTIONS
       -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.  chage will use this files, not /etc/passwd and
              /etc/shadow.  This is useful for example on NIS master  servers,
              where  you  do  not  want  to give all users in the NIS database
              automatic access to your NIS server and the  NIS  map  is  build
              from special files.

       -l, --list
              This option will list the password expiry information in a human
              readable format. The user will see the date when he changed  the
              password  the  last time, when the password will be expire, when
              the password will be locked and when the account will expire.

       -m, --mindays mindays
              With this option the minimum number  of  days  between  password
              changes  is  changed.  A  value of zero for this field indicates
              that the user may change her password at any time. Else the user
              will not be permitted to change the password until min days have
              elapsed.

       -M, --maxdays maxdays
              With this option the maximum number of days during which a pass-
              word is valid is changed. When maxdays plus lastday is less than
              the current day, the user will be required to change  his  pass-
              word before being able to use the account.

       -d, --lastday lastday
              With this option the date when the password was last changed can
              be set to another value. lastday has to be specified  as  number
              of  days since January 1st, 1970. The date may also be expressed
              in the format YYYY-MM-DD. If supported by the system, a value of
              zero forces the user to change the password at next login.

       -E, --expiredate expiredate
              With  this  option the date when the account will be expired can
              be changed. expiredate has to be specified  as  number  of  days
              since  January  1st, 1970. The date may also be expressed in the
              format YYYY-MM-DD.

       -I, --inactive inactive
              This option is used to set the  number  of  days  of  inactivity
              after  a  password  has  expired before the account is locked. A
              user whose account is locked must contact the  system   adminis-
              trator  before  being able to use the account again.  A value of
              -1 disables this feature.

       -W, --warndays warndays
              With this option the number of days of warning before a password
              change  is required can be changed. This option is the number of
              days prior to the password expiring that a user will  be  warned
              the password is about to expire.

FILES
       passwd - user account information
       shadow - shadow user account information

SEE ALSO
       passwd(1), passwd(5)

AUTHOR
       Thorsten Kukuk <kukuk@suse.de>

pwdutils                         November 2005                        chage(1)
 

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Quelle: http://www.trinler.net/de/service/doc/linux/man.html?command=chage
Gedruckt am: 16.12.2017 04:19 GMT+0100 (2017-12-16T04:19:38+01:00)