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Re: Installing Stretch/Testing with absolute minimal bandwith useage

On Thu 15 Jun 2017 at 06:26:55 -0500, Richard Owlett wrote:

> On 06/14/2017 12:56 PM, David Wright wrote:
> >On Wed 14 Jun 2017 at 08:50:18 (-0500), Richard Owlett wrote:
> >>On 06/13/2017 01:10 PM, Brad Rogers wrote:
> >>>On Tue, 13 Jun 2017 12:51:10 -0500
> >>>Richard Owlett <rowlett@xxxxxxxxxxx> wrote:
> >>>
> >>>Hello Richard,
> >>>
> >>>>netinst iso. I had never experimented with just how much could
> >>>>be done with netinst without any internet connectivity.
> >>>
> >>>Probably not a lot.  See; https://www.debian.org/CD/netinst/  Internet
> >>>connectivity is expected to exist.
> >
> >Well, it sort of depends where you draw the line between internet
> >and Internet connectivity. Fifteen years ago I played about with
> >a private partial mirror where the source of the debs was via
> >commuternet, ie Zip/Jaz disks transported from my Janet-connected
> >office. The "internet" was a cat5 cable.
> >
> >>I'm wishing I had discovered the netinst iso years ago.
> >>*NOTE BENE* Up until about a year ago I had only dial-up. The only
> >>practical installation path that met my needs was purchasing
> >>complete DVD sets. I spent many hours trying to coerce Debian into
> >>doing a minimalist install.
> >
> >What parameter are you actually minimising?
> For the purpose of this thread, the downloaded byte count. Period.
> However understanding netinst will influence how I approach doing a
> "minimal" install. [I use quotation marks to emphasize that "minimal" can
> mean very different things to different people.]
> >>If I had succeeded, I suspect the result
> >>would have been close to netinst WITHOUT internet connectivity. But
> >>I've learned a lot.
> >
> >Does it make any difference to the resulting package list whether you
> >install using netinst or a stack of DVDs?
> I doubt it. If there were significant differences it would indicate a
> problem.

I'd see the netinst ISO as Debian's flagship product. A stack of DVDs
puts icing on the cake with a multitude of packages and very much
reduced bandwidth usage. (Is it wise to have a mix of nautical and
baking terms in the same paragraph, one wonders?).

> >I had assumed that you could
> >deselect all the options in the "Software selection" screen whichever
> >way you installed, and end up with the same thing, a system with
> >~248 packages installed.
> Are all 248 packages "necessary"? [Note usage of quotation marks ;]

As you imply, "necessary" means different things to different people.
I install without packages of priority Standard:. That gives me 207
packages on Stretch. I regard the less utility as necessary, so get
it afterwards.

The 207 can be further reduced to 179 with some ruthless culling.
(Is nano required when vim-tiny is already there? Does rsyslog add
anything to journalctl? emacsen-common? tasksel? gnupg?).

> A mechanics question, "How to count the number of installed packages?"
> I'd like to be able to reproducibly count installed packages.

dpkg -l | grep ^ii | wc -l