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How do I view the changes made to package configuration files (installed using rpm/yum)?

I created a FreeRadius server that does MAC Authentication, and I just want to get the lines that I have modified that are different than the default installation. Do I have to install the RPM into a chroot, or is there a yum or rpm command that can be used to find this information?

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up vote 2 down vote accepted

I am afraid rpm -V + rpmpeek is the best you'll get.

If you have your rpms cached, you could try something like:

for RPM in $RPMS; do
    for FILE in `rpm -V $RPM | sed -e 's+^[^/]*++'` | grep '^/etc/'; do
        rpmpeek $RPM diff $FILE .$FILE
    done
done

I am looking for something similar and so far have not found anything better...

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Well, this is a bit old, and I'm not worried about this anymore. I'll assume your answer is correct, thanks for the help. – bradlis7 Nov 28 '11 at 15:57
    
2016 and i have the same question. @Martian, could you write a yum plugin to do this? – Jayen Jan 1 at 3:49
    
How do I "cache" an rpm? – Jayen Jan 1 at 3:49
    
keepcache in yum.conf (or dnf.conf). the packages are kept in /var/cache/yum (or dnf). Alternatively one can use etckeeper to keep track of all config changes. – Martian Mar 11 at 14:30

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