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87 lines
2.0 KiB
Groff
87 lines
2.0 KiB
Groff
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.\" from: kpasswd.1,v 4.2 89/07/25 17:23:08 jtkohl Exp $
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.\" $Id: kpasswd.1,v 1.2 1994/07/19 19:27:40 g89r4222 Exp $
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.\" Copyright 1989 by the Massachusetts Institute of Technology.
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.\"
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.\" For copying and distribution information,
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.\" please see the file <Copyright.MIT>.
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.\"
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.TH KPASSWD 1 "Kerberos Version 4.0" "MIT Project Athena"
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.FM mit
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.SH NAME
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kpasswd \- change a user's Kerberos password
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.SH SYNOPSIS
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.B kpasswd
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[
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.B \-h
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] [
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.B \-n
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.I name
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] [
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.B \-i
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.I instance
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] [
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.B \-r
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.I realm
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] [
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\-u
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.IR username[.instance][@realm] ]
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.SH DESCRIPTION
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The
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.I kpasswd
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command is used to change a Kerberos principal's password.
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.PP
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If the
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.I \-h
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option is specified, a brief summary of the options is printed, and
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.I kpasswd
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then exits.
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.PP
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If the
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.I \-n
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option is specified,
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.I name
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is used as the principal name rather than the username of the user
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running
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.IR kpasswd .
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(This is determined from the ticket file if it exists;
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otherwise, it is determined from the unix user id.)
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.PP
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If the
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.I \-i
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option is specified,
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.I instance
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is used as the instance rather than a null instance.
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.PP
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If the
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.I \-r
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option is specified,
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.I realm
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is used as the realm rather than the local realm.
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.PP
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If the
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.I \-u
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option is specified, a fully qualified kerberos
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principal can be given.
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.PP
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The utility prompts for the current Kerberos password (printing
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the name of the principal for which it intends to change the password),
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which is verified by the Kerberos server. If the old password is
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correct, the user is prompted twice for the new password. A message is
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printed indicating the success or failure of the password changing
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operation.
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.SH BUGS
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.I kpasswd
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does not handle names, instances, or realms with special
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characters in them when the -n, -i, or -r options are used. Any
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valid fullname is accepted, however, if the -u option is used.
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If the principal whose password you are trying to change does
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not exist, you will not be told until after you have entered the
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old password.
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.SH SEE ALSO
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kerberos(1), kinit(1), passwd(1), kadmin(8)
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