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SubjectRe: [PATCH] scripts:prune-kernel:remove old kernels and modules dir from system
On Thu, Nov 7, 2019 at 7:39 AM Bhaskar Chowdhury <unixbhaskar@gmail.com> wrote:
>
> On 14:30 Wed 06 Nov 2019, J. Bruce Fields wrote:
> >On Wed, Nov 06, 2019 at 10:12:26AM +0530, Bhaskar Chowdhury wrote:
> >> On 23:31 Tue 05 Nov 2019, J. Bruce Fields wrote:
> >> >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.
> >>
> >> Bruce,
> >>
> >> Two things,
> >>
> >> If the system doesn't run grub , how the fallback policy???
> >>
> >> This binary "new-kernel-pkg" also missing in other systems too...I can
> >> confirm that... i.e gentoo,slackware,
> >>
> >> So , you are only targeting the rpm based system????
> >
> >It's just what I happen to use. If someone wants to make it work
> >elsewhere that'd be great, as long as we don't break what already works.
> >
> >I think Debian uses grub2-mkconfig? Might be OK for Fedora too, I
> >dunno.
> >
> >--b.
>
> Okay , thanks for the input. I was trying to write something in
> generalize way , that is why my code spins off.And if you see the
> subject line of my very first attempt to patch written was "removing
> old kernels and modules dir in selective way"... that was it.
>
> Now, there are plenty of distros around, not only rpm based one(yes I do
> agree that ,you wrote it while using and testing on it, but that is
> limited in nature),the broader user base might be using something else.
>
> we simply can not restrict it to certain packaging version or several
> packaging versions of selected distros. We are making and building this
> (worth an effort) to make it as generalized as possible.
>
> Importantly I was only thinking of people who put the stuff in standard
> places in the FSH and use it. I might be wrong.
>
> As I have said it before, I was no way trying to bypass your work ,but
> it seems very limited in nature to adopted. So trying to widen the
> spectrum.
>
> I am trying to incorporating both the pole, different kind user base in
> mind, like you , who don't like to be prompted for this operation and
> assuming things should go well, and you are right.
>
> On the other hand , I am kinda guy , sometime I need to know what is
> going on, so the prompting.
>
> Well, I have never taken into account about modifying the bootloader
> config by looking at your work. Had I been, I would have done it already
> and it would be extremely trivial in nature.
>
> Now, Grub, no doubt it's fantastic piece of software, but complexity
> is paramount with it. Don't you think so??? I HAVE NOTHING AGAINST
> GRUB!
>
> I have personally stops using it for years and using something very
> rudimentary and simple and useful. That is because I know what I am
> doing and my system well.
>
> Caveat emptor: that was me, not every one else in the wild. Grub is used
> by the most distro by default,everybody knows it,but certainly not the
> norm.
>
> I would love to give it a stab again and if you better people feel it is
> necessary, but I need some concrete understanding from you,Masahiro and
> Randy(who is helping me actively).
>
> Say, You people might come up ,
>
> We need these :
>
> a)
> b)
> c)
>
> and we don't need these:
>
> a)
> b)
> c)
>
>
> My two cents! kindly, flame me with your thoughts.


Honestly, I did not even know this script
before you submitted the patch.

I prune stale kernel/modules with my own script,
and I guess people do similar to meet their demand.

I am not sure how many people are using this.
If somebody is passionate to improve this script
in a simple way, that is fine, but
I do not want to see messy code for covering various use-cases.

--
Best Regards
Masahiro Yamada

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