Rolling Back an Update Post: 302637049

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Operating Systems Linux Rolling Back an Update Post 302637049 by mark54g on Tuesday 8th of May 2012 09:40:45 AM

05-08-2012

Registered User

There are already plenty of packages to manage systems. Aside from intense scripting, there are no other options.

Frankly, I have never been impressed with any software that tries to do what yours is trying to accomplish. Any other kitschy attempts will likely break a system. You may try image based rollbacks, but realize that could be disk intensive, take up lots of space, and leave the system broken in some cases. btrfs is a way to try to fix this by taking snapshots before a patch, with the ability to roll back, however that relies on the file systems being btrfs, which is still a work in progress, and requires a boot loader that can show you the snapshots. That part doesn't exist just yet.

Aside from having generic kickstart/autoyast etc images to rebuild a machine quickly and then apply their packages again (Spacewalk, RHN Satellite, SUSE Manager) you have little use for the tool you are building. Besides, with the three items listed, they do exactly what you want to do already, and Spacewalk is free (however the built in Oracle Express is severely limited, and last I looked the Postgres version was lacking in features).

Last edited by mark54g; 05-08-2012 at 10:48 AM.. Reason: To add that the 1.7 version of Spacewalk can be run with Postgres without an apparent lack of features

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rhn_register

RHN_REGISTER(8) 						   Red Hat, Inc.						   RHN_REGISTER(8)

NAME

       rhn_register - Connect to Spacewalk Server, Red Hat Satellite or Red Hat Network Classic.

SYNOPSIS

       rhn_register [options]

DESCRIPTION

       rhn_register  is  a  client  program  that registers your system with "Spacewalk Server", "Red Hat Satellite" or "Red Hat Network Classic".
       After registering, your system can receive software updates, install new software, and remotely manage your system.  It	can  run  both	in
       graphical and text modes.

OPTIONS

       -v, --verbose
	      Increase the debugging output.

       --proxy=PROXY
	      Specify an http proxy to use.

       --proxyUser=PROXYUSER
	      Specify a username to use for an authenticated proxy. This option must be used in conjunction with proxyPassword.

       --proxyPassword=PROXYPASSWORD
	      Specify a password to use for an authenticated proxy. This option must be used in conjunction with proxyUser.

       --nox  Run in text mode.

       --version
	      Show the program's version number and exit.

       -h, --help
	      Show a help message and exit.

FILES

       /etc/sysconfig/rhn/systemid
	      The  digital server ID for this machine if the system has been registered onto "Spacewalk Server" or "Red Hat Satellite" or "Red Hat
	      Network Classic".  This file does not exist otherwise.

       /etc/sysconfig/rhn/up2date
	      The common configuration file used by Red Hat client programs.

SEE ALSO

       rhn_check(8), rhnreg_ks(8), rhnsd(8), rhn-profile-sync(8), rhnplugin(8), up2date(5).

AUTHORS

       See the AUTHORS file included with this software.

       This manual page was written by James Bowes <jbowes@redhat.com>

BUGS

       Report bugs to <http://bugzilla.redhat.com>.

COPYRIGHT

       Copyright (C) 1999-2011 Red Hat, Inc.

       This is free software; see the source for copying conditions.  There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICU-
       LAR PURPOSE.

Linux								  2011 February 4						   RHN_REGISTER(8)