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Top Forums UNIX for Dummies Questions & Answers Centos commands: Yum Upgrade versus Yum update Post 302390572 by mojoman on Thursday 28th of January 2010 10:01:24 AM
Old 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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UPGRADE-SYSTEM(8)						 Debian GNU/Linux						 UPGRADE-SYSTEM(8)

NAME
upgrade-system - Command for upgrading and sanitizing a Debian system SYNOPSIS
upgrade-system DESCRIPTION
upgrade-system is an APT front-end that simplifies regular upgrading of Debian systems, only requiring an administrator's intervention whenever updated packages necessitate the configuration of new features. USAGE
upgrade-system is run from the command line shell by the administrator. It performs the following actions: o Resynchronize the list of available packages. o Upgrade all packages to their newest version. o Remove all obsolete package dependencies. o Clean retrieved archives off the APT cache. ENVIRONMENT
Setting the FLAUSCH environment variable enables useful advanced system sanitization features. See upgrade-system.conf(5) for more details. FILES
/etc/upgrade-system.conf AUTHORS
Copyright (C) 2003-2004 Martin Zdrahal <martin.zdrahal@konflux.at> Copyright (C) 2004,2012 Christoph Schindler <hop@30hopsmax.at> Copyright (C) 2004-2012 Martin-Eric Racine <martin-eric.racine@iki.fi> LICENSE
GPLv2+: GNU GPL version 2 or later <http://gnu.org/licenses/gpl.html>. SEE ALSO
apt(8), upgrade-system.conf(5). http://q-funk.iki.fi 2004-02-16 UPGRADE-SYSTEM(8)
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