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, 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-ugprades.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)