.\" Hey, EMACS: -*- nroff -*- .\" First parameter, NAME, should be all caps .\" Second parameter, SECTION, should be 1-8, maybe w/ subsection .\" other parameters are allowed: see man(7), man(1) .TH unattended-upgrade 8 "May 4, 2009" .\" Please adjust this date whenever revising the manpage. .\" .\" Some roff macros, for reference: .\" .nh disable hyphenation .\" .hy enable hyphenation .\" .ad l left justify .\" .ad b justify to both left and right margins .\" .nf disable filling .\" .fi enable filling .\" .br insert line break .\" .sp insert n+1 empty lines .\" for manpage-specific macros, see man(7) .SH NAME unattended-upgrade \- automatic installation of security (and other) upgrades .SH SYNOPSIS \fBunattended-upgrade\fP [options] .br .SH DESCRIPTION This program can download and install security upgrades automatically and unattended, taking 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. .sp 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). .SH OPTIONS unattended-upgrade accepts the following options: .TP \fB-h\fR, \fB\-\-help\fR help output .TP \fB-d\fR, \fB\-\-debug\fR extra debug output into /var/log/unattended-upgrades.log .TP \fB--dry-run\fR Just simulate installing updates, do not actually do it .SH 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 .SH AUTHORS unattended-upgrade is written by Michael Vogt .PP This manual page was originally written by Michael Vogt .SH COPYRIGHT Copyright (C) 2005-2009 Canonical .PP 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.