01-28-2010
Centos commands: Yum Upgrade versus Yum update
Hi,
I would like to know the difference between YUM UPDATE and YUM UPGRADE. The man pages say upgrade is same as update with the obsolete option. And by default it says the obsolete option is turned on, which would make them equivalent. Does not say what obsolete does.
Can someone please clarify?
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LEARN ABOUT LINUX
update-manager
UPDATE-MANAGER(8) System Manager's Manual UPDATE-MANAGER(8)
NAME
update-manager - graphical management of software packages updates
SYNOPSIS
update-manager [options]
DESCRIPTION
Update-manager is a frontend for the apt package management system. It allows you to perform some actions of the command line tool apt-get
in a graphical environment.
Update-manager is especially designed for upgrading your system, or migrating your system towards a more recent version.
OPTIONS
For a daily use, you may launch update-manager with no options so that your system is just upgraded.
For migration purposes, update-manager accepts some options:
-h, --help
Show a similar help message
-c, --check-dist-upgrades
Check if a new distribution release is available
-d, --devel-release
Check if upgrading to the latest devel release is possible
-p, --proposed
Try to run a dist-upgrade
--dist-upgrade
Try to run a dist-upgrade
ACTIONS PERFORMED DURING AN UPGRADE TO A NEW VERSION
* eventually reinstall the package ubuntu-desktop
* switch to an updated sources.list entries
* adds the default user to new groups if needed
SEE ALSO
Synaptic, sources.list, aptitude
AUTHORS
update-manager was developed by Michael Vogt <mvo@ubuntu.com> with various contributors (see AUTHORS file)
This manual page was originally written by Bruno Mangin and Michael Vogt <mvo@ubuntu.com>.
COPYRIGHT
Copyright (C) 2006-2007 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.
August 2, 2007 UPDATE-MANAGER(8)