[Yum] How do I know which packages are an updates ? [newbie]

[Mihai T. Lazarescu]

On Fri, Dec 26, 2014 at 01:11:42PM +0200, Kevin Wilson wrote:

> Thanks, but it seems to me that this answer is not exact.
> What I mean is: I want to know the packages which were installed from
> an "updates" repo , but it seems to me that rpm -qa --last simply
> shows the packages ordered by the time they were installed. This does
> not guaranteed that these packages are from an "updates" fedora repo.

The command above replies to the subject which asks "which 
packages are an updates".

Look for packages from "@updates" in the output of "yum list" to 
figure out which are installed from the repository named 
"updates".

Mihai