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Date:   Tue, 5 Nov 2019 23:31:20 -0500
From:   "J. Bruce Fields" <bfields@fieldses.org>
To:     Masahiro Yamada <yamada.masahiro@socionext.com>
Cc:     Randy Dunlap <rdunlap@infradead.org>,
        Bhaskar Chowdhury <unixbhaskar@gmail.com>,
        Michal Marek <michal.lkml@markovi.net>,
        Linux Kbuild mailing list <linux-kbuild@vger.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] scripts:prune-kernel:remove old kernels and modules dir
 from system
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On Wed, Nov 06, 2019 at 11:53:28AM +0900, Masahiro Yamada wrote:
> BTW.
> Bruce,
> Does the current script expect RHEL or something?
> I do not see 'new-kernel-pkg' on my Ubuntu machine.

I test on Fedora.  Looks like on recent Fedora that's only provided by
an rpm "grubby-deprecated", which is an inauspicious name....

I think maybe you're supposed to use "grubby" itself now.  Do you have
that?

> It would still work with 'new-kernel-pkg: command not found'
> warning.
> 
> We could bypass it if we like.
> 
> command -v new-kernel-pkg && new-kernel-pkg --remove $f

Looks like it's what updates the grub configuration, which is probably a
nice thing to do if you can.

--b.