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unattended-upgrade(8)					 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,	 taking care to only install packages from the config‐
       ured 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/50unat‐
       tended-upgrades

AUTHORS
       unattended-upgrade is written by Michael Vogt <mvo@ubuntu.com>

       This   manual   page   was   originally	 written   by	Michael	  Vogt
       <mvo@ubuntu.com>

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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