Centos commands: Yum Upgrade versus Yum update


 
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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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repo-rss(1)															       repo-rss(1)

NAME
repo-rss - generates an RSS feed from one or more Yum repositories SYNOPSIS
repo-rss [options] repoid1 [repoid2...] DESCRIPTION
repo-rss is a program for generating RSS feeds for one or more Yum repositories. GENERAL OPTIONS
-h, --help Help; display a help message and then quit. -f <file> Specify the file to which the RSS will be written. Default is repo-rss.xml. -l <link> Specify the URL to the RSS feed. Default is http://yum.baseurl.org/. -t <title> Specify the title for the RSS feed. Default is "RSS Repository - Recent Packages". -d <description> Specify the description of the RSS feed. Default is "Most recent packages in Repositories". -r <days> Specify the number of days to consider most recent. Default is 3. --tempcache Enable the use of a temporary directory for the yum cache. This is enabled by default for non-root users. EXAMPLES
Generate an RSS for the updates-released repository and save it as updates-release.xml: repo-rss -f updates-released.xml updates-released FILES
As repo-rss uses YUM libraries for retrieving all the information, it relies on YUM configuration for its default values like which reposi- tories to use. Consult YUM documentation for details: /etc/yum.conf /etc/yum/repos.d/ /var/cache/yum/ SEE ALSO
yum.conf (5) http://yum.baseurl.org/ AUTHORS
See the Authors file included with this program. BUGS
There are of course no bugs, but should you find any, you should first consult the FAQ section on http://yum.baseurl.org/wiki/Faq and if unsuccessful in finding a resolution contact the mailing list: yum-devel@lists.baseurl.org. To file a bug use http://bugzilla.redhat.com for Fedora/RHEL/Centos related bugs and http://yum.baseurl.org/report for all other bugs. Seth Vidal 2005 repo-rss(1)