As far as updates, I always use distro-sync. I am not sure how that differs
from dnf upgrade.

On Thu, Dec 15, 2022, 10:27 PM home user <mattis...@comcast.net> wrote:

> On 12/15/22 3:04 PM, Felix Miata wrote:
> > home user composed on 2022-12-15 14:03 (UTC-0700):
> >
> >> ...
> > installonly_limit= determines how many kernels dnf will keep installed
> when it is
> > performing its excess installed kernels removal process. The idea is too
> allow a
> > larger safety margin for your working 5.19 kernel before its removal
> would be
> > attempted.
>
> If I understand you correctly, this is what allowed me to use the
> work-around that you recommended on Nov. 3/4 - using the kernel from
> before the Nov. 03 "dnf upgrade" that caused the trouble.  Now I know
> what controls that.  Thank-you.
>
> > Alternatively, you could modify /etc/dnf/dnf.conf by entirely excluding
> kernels
> > from being installed or removed by dnf:
> >
> >       exclude=" kernel* "
> >
> > Using this option, dnf will pretend kernels don't exist for purposes of
> adding or
> > removing. When you are ready to allow a kernel to be installed, remove
> the kernel
> > from the exclude= line. I do that using a one character change in
> dnf.conf:
> >
> >       exclude=" 0kernel* "
> >
> > Even when dnf.conf excludes kernels, kernels may still be added or
> removed using
> > rpm directly.
>
> Seems like neat tricks.  Thank-you.  But I hope you understand when I
> say that I hope I never need to use them!
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