[elrepo] Oops, updated to el7_7 on CentOS 7.6, can I revert to el7_6?

[Seth Goldin]

Phil, that is perfect! That is *exactly* what I wanted. I installed that
and now I'm not getting bothered by `yum update` for the packages specific
to RHEL 7.7, even while having elrepo-release-7.0-4.el7.elrepo installed on
CentOS 7.6. Thank you so much.

-- Seth.


On Fri, Aug 9, 2019 at 2:33 PM Phil Perry <phil at elrepo.org> wrote:

> On 09/08/2019 18:31, Seth Goldin wrote:
> > Got it, thanks.
> >
> > -- Seth.
> >
> >
> > On Fri, Aug 9, 2019 at 1:29 PM Trevor Hemsley <themsley at voiceflex.com
> > <mailto:themsley at voiceflex.com>> wrote:
> >
> >     On 09/08/2019 18:02, Seth Goldin wrote:
> >>     On Fri, Aug 9, 2019 at 12:51 PM Trevor Hemsley
> >>     <themsley at voiceflex.com <mailto:themsley at voiceflex.com>> wrote:
> >>
> >>         It's not the elrepo-release package that's the problem. You
> >>         should update that again.
> >>
> >>
> >>     I don't understand. If I want to install some package in ELRepo,
> >>     but I'm using elrepo-release-7.0-4 on CentOS 7.6, won't it just
> >>     fail? Shouldn't I only attempt to install
> >>     with elrepo-release-7.0-3 installed if I'm still on CentOS 7.6?
> >>
> >>     -- Seth.
> >
> >     That's the package that provides the repo definition for yum to use.
> >     Without it, yum would not know about elrepo at all. If you downgrade
> >     that package it does not affect the contents of that repo at all -
> >     it doesn't automatically point you at some backup old version of it.
> >
> >     You want the latest elrepo-release package and then on each yum
> >     command until CentOS 7.7 comes out you will need to add e.g.
> >     --exclude=\*nvidia\* to exclude those nvidia packages that have been
> >     updated for RHEL 7.7. Or add that exclude to your repo file but then
> >     you have to remember to remove it again when you do want the updates.
> >
> >     Trevor
> >
> >
>
> Looks like Seth has resolved his issues now so this may just be a
> footnote, but in the scenario Trever describes above the
> yum-plugin-elrepo package exists to prevent, for example, el7.7 specific
> packages being offered to yum for users who are still on el7.6. The yum
> plugin will automagically mask (hide) any packages requiring a newer
> kernel on systems where that newer kernel is not yet available. Then as
> soon as that newer kernel becomes available (for example, CentOS 7.7 is
> released), yum will automagically find the el7.7 specific kmod packages
> that need updating.
>
> So, I would strongly recommend that non-RHEL / CentOS users install the
> yum-plugin-elrepo package.
>
> Phil
>
>
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