Re: Minimising a CentOS installation

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On 21.08.21 19:02, Steven Rosenberg wrote:
On Fri, 2021-08-20 at 22:10 -0600, James Szinger wrote:

My typical approach is to run `package-cleanup --leaves --all` or
`yum
leaves` (might need software not on CentOS 8) and justify everything
that is there.  I have about 85 leaf packages on a CentOS 7 web
server, so a minimal package set should be smaller.  Experiment with
a
disposable VM so it is easy to recover from mistakes.

Thanks for this. I did a little searching and found this page:


https://linuxconfig.org/how-to-remove-orphaned-packages-on-centos-linux

It worked for me:

Get a list of orphaned packages:

$ package-cleanup --leaves

Remove them:

# yum remove `package-cleanup --leaves`

That's only if you're OK removing all of them.



Not sure why but at least on two C8S systems (not all)
the kernel rpms are listed as leaves, also the running one.
So, better don't execute the above command ...

Investigating why other C8S systems do not show the kernel
rpms ...

--
Leon
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