update-passwd(8) - phpMan

UPDATE-PASSWD(8)                     System Manager's Manual                     UPDATE-PASSWD(8)

NAME
       update-passwd - safely update /etc/passwd, /etc/shadow and /etc/group

SYNOPSIS
       update-passwd [options]

DESCRIPTION
       update-passwd handles updates of /etc/passwd, /etc/shadow and /etc/group on running Debian
       systems.  It compares the current files to master copies, distributed in  the  base-passwd
       package,  and  updates  all entries in the global system range (that is, 0-99).  It leaves
       backup copies of the previous versions of modified files with the  extension  '.org'  (for
       "original").

OPTIONS
       update-passwd  follows  the usual GNU command line syntax, with long options starting with
       two dashes ('-').

       -p, --passwd-master=FILE
              Use FILE as the  master  copy  of  the  passwd  database.   The  default  value  is
              /usr/share/base-passwd/passwd.master.

       -g, --group-master=FILE
              Use  FILE  as  the  master  copy  of  the  group  database.   The  default value is
              /usr/share/base-passwd/group.master.

       -P, --passwd=FILE
              Use FILE as the system passwd database.  The default value is /etc/passwd.

       -S, --shadow=FILE
              Use FILE as the system shadow database.  The default value is /etc/shadow.

       -G, --group=FILE
              Use FILE as the system group database.  The default value is /etc/group.

       -s, --sanity-check
              Only perform sanity-checks but don't do anything.

       -v, --verbose
              Give detailed information about what we are doing.  A second  -v  gives  additional
              detail.

       -n, --dry-run
              Don't do anything but only show what we would do.

       -L, --no-locking
              Don't attempt to lock the account database.  This should only be used for debugging
              purposes.  I repeat: do not do this unless you are really sure you need this!

       -h, --help
              Show a summary of how to use update-passwd.

       -V, --version
              Show the version number

ENVIRONMENT
       DEBIAN_HAS_FRONTEND
              If this environment variable is set and the  --dry-run  flag  was  not  given,  up-
              date-passwd  uses  debconf  to  prompt  for whether to make changes.  Each proposed
              change will produce a separate prompt.  User or group removals, UID or GID changes,
              and  home  directory changes will be asked with high priority.  User or group addi-
              tions and shell changes will  be  asked  with  medium  priority.   Questions  about
              whether  to  move entries above the NIS compat inclusion entry or whether to change
              the GECOS of a user are asked at low priority.

BUGS
       At this moment update-passwd does not verify the shadow-file.  It should check if the  en-
       tries  in the passwd are also in shadow and vice versa, and that passwords are not present
       in both files.

AUTHOR
       Wichert Akkerman <wakkerma AT debian.org>

       This program was written for the Debian project, and is copyright 1999-2002 Wichert Akker-
       man  and  copyright 2002, 2003 Colin Watson.  It is distributed under version 2 of the GNU
       General Public License.

DEBIAN                                     Debian tools                          UPDATE-PASSWD(8)

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