Re: ubuntu 12.04 LTS how to avoid GRUB update
Spyros Tsiolis
stsiol at yahoo.co.uk
Thu Jan 14 08:11:12 UTC 2016
--------------------------------------------
> On Thu, 14/1/16, Petter Adsen <petter at synth.no> wrote:
>
> Subject: Re: ubuntu 12.04 LTS how to avoid GRUB update
> To: ubuntu-users at lists.ubuntu.com
> Cc: "Spyros Tsiolis" <stsiol at yahoo.co.uk>
> Date: Thursday, 14 January, 2016, 9:41
>
> On Thu, 14 Jan 2016
> 07:16:34 +0000 (UTC)
> Spyros Tsiolis <stsiol at yahoo.co.uk>
> wrote:
>
> > > Yes, I
> suspect that this
> > > should do the
> job. Actually Petter and I
> > >
> suggested the same, I'm just uncertain if a
> > > "smart upgrade"
> (apt-get
> > > dist-upgrade) of the
> kernel image would
> > > reinstall a
> bootloader, since
> > > it's a
> > > recommended dependency.
> > Hi Again Ralph,
> >
> > OK. I missed to tell you that for the
> thin-clients, it's Ubuntu 12.04
> > LTS
> and I don't intend of upgrading it.
> >
> > If I upgrade the thin
> clients, I am going to it manually by backing up
> > the users home folders and installing a
> newer version of Ubuntu
> > (or any other
> Debian Linux distro), so there are no worries in regards
> > to upgrading.
>
> But don't you apply updates? I believe
> that's what Ralf meant. 12.04
> still
> receives security fixes, which you really don't want to
> leave out.
>
> If you purge the
> grub package, and your system is set to install
> recommended dependencies, it might install grub
> again when you update
> the kernel -
> that's what Ralf was saying.
>
> One way to avoid this is to install a dummy
> package, another way is to
> place a hold on
> the packages after purging them - that will prevent them
> from being reinstalled. Do something like
> this:
>
> 1. 'dpkg -l |
> grep grub'
> This lists all the installed
> grub packages
> 2. 'apt-get purge <list
> of packages from above step>'
> This
> removes them
> 3. 'apt-mark hold <list
> of removed packages>'
> This prevents
> them from being installed again
>
> > I do a "bcc" to your e-mail
> address (or Peters' or Olis').
> >
> I won't do this again and also post to the lists'
> address and
> > not do "reply" .
> Right ?
>
> Don't send
> mails to us off-list, as we see your replies to the list
> just a few minutes later. If your mailer has a
> Reply To List option,
> just use that.
> Otherwise just reply to the list address.
>
> > I think I am going to
> test it on a test bed installation before doing
> > the "purge" command on the live
> system.
>
> That sounds like a
> good idea if this is a production system, although
> it should have no effect if you boot via
> PXE.
>
> Petter
Hi Petter,
Correct me if I am wrong but AFAIK, "upgrade" means
upgrading to a more recent Ubuntu OS version
while "update" means updating packages for the
running / existing version.
You have made things much clearer for me.
I 'll go along with the grub hold procedure you
describe.
Again, many thanks for everything,
s.
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