Changelog beim Paketupdate

 # yum install yum-plugin-changelog

 # rpm -qil yum-plugin-changelog

Name        : yum-plugin-changelog
Version     : 1.1.31
Release     : 24.el7
Architecture: noarch
Install Date: Fri 11 Jul 2014 10:48:41 PM CEST
Group       : System Environment/Base
Size        : 41381
License     : GPLv2+
Signature   : RSA/SHA256, Fri 04 Jul 2014 07:53:12 AM CEST, Key ID 24c6a8a7f4a80eb5
Source RPM  : yum-utils-1.1.31-24.el7.src.rpm
Build Date  : Tue 10 Jun 2014 09:49:41 AM CEST
Build Host  : worker1.bsys.centos.org
Relocations : (not relocatable)
Packager    : CentOS BuildSystem <http://bugs.centos.org>
Vendor      : CentOS
URL         : http://yum.baseurl.org/download/yum-utils/
Summary     : Yum plugin for viewing package changelogs before/after updating
Description :
This plugin adds a command line option to allow viewing package changelog
deltas before or after updating packages.
/etc/yum/pluginconf.d/changelog.conf
/usr/lib/yum-plugins/changelog.py
/usr/lib/yum-plugins/changelog.pyc
/usr/lib/yum-plugins/changelog.pyo
/usr/share/doc/yum-plugin-changelog-1.1.31
/usr/share/doc/yum-plugin-changelog-1.1.31/COPYING
/usr/share/man/man1/yum-changelog.1.gz
/usr/share/man/man5/yum-changelog.conf.5.gz

 # vim /etc/yum/pluginconf.d/changelog.conf

/etc/yum/pluginconf.d/changelog.conf

[main]
enabled=1
 
# Set to 'pre' or 'post' to see changes before or after transaction
when=pre
# Set to true, to always get the output (removes the cmd line arg)
# Django : 2014-07-11
# default: always=false
always=true