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Re: is it possible to change apt-get's access priorities?



On Sat, 10 Jul 2004 18:00:25 -0400
* Tong* <sun_tong_001@yahoo.com> wrote:

> On Thu, 08 Jul 2004 20:14:05 -0500, Jacob S. wrote:
> 
> > If I'm understanding you properly, you want apt-pinning to work with
> > 4 repositories: 1) CDs, 2) stable on debian.org servers, 3) testing
> > on debian.org server and 4) unstable on debian.org servers.
> 
> This is really a good and comprehensive article. Some further
> questions:
>
> In order to get all stable, testing and unstable from the same server,
> I read that the the deb source line should be altered (but no how).
> Could you give us an example?

You mean like the following?

# Stable
deb http://http.us.debian.org/debian woody main contrib non-free
# Testing
deb http://http.us.debian.org/debian sarge main contrib non-free
# Unstable
deb http://http.us.debian.org/debian unstable main contrib non-free

Similar thing for deb-src lines:

# Stable
deb-src http://http.us.debian.org/debian woody main contrib non-free
# Testing
deb-src http://http.us.debian.org/debian sarge main contrib non-free
# Unstable
deb-src http://http.us.debian.org/debian unstable main contrib non-free

(Note this is not a complete sources.list file. I just an excerpt as an
example.)

> [...]
> > It should also get Woody's packages off the
> > CDs instead of the internet whenever possible. 
> 
> Can you explain this a bit please? The first line of my
> /etc/apt/sources.list (testing) is 
> 
> deb file:///cdrom/ sarge main. 
> 
> I think to pick cdrom first, you have to give sarge/woody the top
> priority, right?

I believe this is correct, but I don't have much experience. If my
understanding is correct though, it would only make a difference for the
same version of a .deb file in two locations. If the two .deb files are
different versions, then it will look at your /etc/apt/preferences and
apt.conf file, instead of the order you placed the lines in
sources.list.

> > You can also set the following line in /etc/apt/apt.conf, but I
> > didn't find it essential when I was using it:
> > 
> > APT::Default-Release "stable";
> 
> Interesting, that was what the article I was reading suggested...

Interesting. I've used pinning for over a year now and didn't have that
line in apt.conf until after I upgraded to Sarge recently.

> > Also, there were a couple of large library upgrades between Woody
> > and Sarge (testing), such as libc6. 
> 
> How big the difference is between testing and unstable? Anybody knows?

When I upgraded from Woody (r2) to Sarge recently, I downloaded about
500 - 600MB in updates. This is on an installation with about 3.8GB of
packages installed - including most Gnome and KDE libraries. Also note
that I'm seeing another couple MB of updates per week right now.

HTH,
Jacob

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