unattended-upgrade <root
unattended-upgrade(8)                System Manager's Manual                unattended-upgrade(8)

NAME
       unattended-upgrade - automatic installation of security (and other) upgrades

SYNOPSIS
       unattended-upgrade [options]

DESCRIPTION
       This program can download and install security upgrades automatically and unattended, tak‐
       ing care to only install packages from the configured APT source, and  checking  for  dpkg
       prompts  about  configuration  file  changes. All output is logged to /var/log/unattended-
       upgrades.log.

       This script is the backend for the APT::Periodic::Unattended-Upgrade option  and  designed
       to be run from cron (e.g. via /etc/cron.daily/apt).

OPTIONS
       unattended-upgrade accepts the following options:

       -h, --help
              help output

       -d, --debug
              extra debug output into /var/log/unattended-upgrades.log

       --dry-run
              Just simulate installing updates, do not actually do it

CONFIGURATION
       The  configuration  is done via the apt configuration mechanism. The default configuration
       file can be found at /etc/apt/apt.conf.d/50unattended-upgrades

AUTHORS
       unattended-upgrade is written by Michael Vogt 

       This manual page was originally written by Michael Vogt 

COPYRIGHT
       Copyright  (C)  2005-2009 Canonical

       There is NO warranty.  You may redistribute this software under the  terms  of   the   GNU
       General   Public  License.   For more information about these matters, see the files named
       COPYING.

                                           May 4, 2009                      unattended-upgrade(8)

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