[Yum] How yum distingushes update packages from base packages

[P Li]

Thank you very much for the reply. "showdupesfromrepos=1" is added to
yum.conf and now "yum list" shows all the packages.

I have one more question: For a normal Fedora/CentOS system, this
option is not set by default in yum.conf. However, "yum list" still
shows both base packages and update packages. Why?

Thanks.

On 4/8/08, seth vidal <skvidal at fedoraproject.org> wrote:
> On Tue, 2008-04-08 at 12:02 -0400, P Li wrote:
>
> > The problem is that when we ran "yum list" on the client machine, only
> > the packages in the [updates] group were listed. The packages in the
> > [base] group would not appear unless the [updates] stanza is disabled.
> > We also tried using two repo files, still the packages in the [base]
> > group would not be listed as "Available Packages" unless the repo file
> > for [updates] is disabled.
> >
>
>
> if you want to see all versions (including older ones) from repos you
> need to make sure that:
> showdupesfromrepos=1 is set in your yum.conf under [main]
>
>
> > How does yum distinguish update packages from base packages? Version
> > numbers? Timestamps?
>
> version numbers.
>
>
> -sv
>
>
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