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I'm currently observing a problem with my onboard sound device (popular NUC device) and I found no fix for this yet. So I'm currently "hoping" I've made some modifications on some configuration file in the past which now causes the problem.

But how would I find those modifications? I can't remember fiddling with my configuration files int the first place.

Apart from comparing to a parallel installation of my OS manually - does Fedora provide some way to find modifications of files which have been installed with dnf? The most sophisticated way I guess would be a way to find only modifications on configuration files but if I had the chance to compare all files installed by dnf with their original ones that would be great, too..

So the short version of my question is:

  • is there a way to find modifications on installed files with Fedora/dnf?
  • or: is there a way to get the contents of all files installed by dnf?
  • how do I otherwise find differences to a freshly installed Fedora?

My current approach would be to store the contents of /etc/ and /usr and reinstall all packages but I'm afraid this would be even more work than a fresh install..

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  • Does looking at the file modified dates help? In future I recommend adding a comment to config files that you change. I normally comment out the original line, add a comment with the date and why I made the change, then write a new config line.
    – DavidPostill ♦
    Jun 6, 2020 at 10:44

1 Answer 1

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Files which has been altered:

rpm -V NAMEOFPACKAGE

All files which has been altered:

rpm -Va

All altered configs from package NAMEOFPACKAGE:

rpm -Vc NAMEOFPACKAGE

How to find the difference from stock config. There is many way. IMO the easiest is:

dnf reinstall NAMEOFPACKAGE
dnf install rpmconf
rpmconf --owner=NAMEOFPACKAGE

The reinstall will pull down the original config and save it as *.rpmnew or *.rpmsave. Rpmconf will find the difference and allow you to see the diff or merge it.

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  • I admit that I could have taken that from the documentation - at least dnf -V. The rpmconf part is very helpful and something I would not have looked for!
    – frans
    Jun 23, 2020 at 4:45

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