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Operating Systems Linux Deploy a package on many systems Post 302398081 by dplinux on Tuesday 23rd of February 2010 09:09:29 PM
Old 02-23-2010
Deploy a package on many systems

I had a question on my interview today.
so how would you automate install/upgrade to a package to 200 servers.
and obviously not by going to each system physically.

Answer: NFS share , using perl script and rpm utility. But i have not done such kind of install/upgrade so my knowledge is limited.

but i want to know how would i do that on Redhat Enterprise or CentOS.

Thanks
 

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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)
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