Issues with apt-get's name resolution

[Sabniveesu Shashank]

On Wed, Mar 12, 2014 at 12:18 PM, Marius Gedminas <marius at pov.lt> wrote:

> Hi!
>
> On Wed, Mar 12, 2014 at 11:47:24AM -0400, Sabniveesu Shashank wrote:
> > I was trying to install TinyOS today from the instructions here:
> > http://tinyprod.net/debian-dev/
> >
> > using this command --
> >
> > sudo apt-get install nesc tinyos-tools *msp430-46* avr-tinyos
> >
> > Then, apt-get returned 404 errors for these packages:
> >
> http://tinyprod.net/repos/debian/pool/main/m/msp430-46/msp430-46_20120427_all.deb404
> > Not Found
>
> This usually means that your local package list cache is outdated and
> you should run 'sudo apt-get update' before retrying the apt-get
> install.
>
I did run a 'sudo apt-get update' before retrying install

>
> (It can also mean a broken mirror, but that's less common.)
>
I found that the packages it is trying to retrieve are no longer present as
said in the below statement:

>
> > When I tried navigating to the links I found that the exact name of the
> > packages have changed (probably replaced by newer versions)
> > msp430-46_20120715_i386.deb<
> http://tinyprod.net/repos/debian/pool/main/m/msp430-46/msp430-46_20120715_i386.deb
> >
> >
> > My questions are:
> >
> > 1) Who should be informed for getting this corrected?
> >       - The TinyOS package maintainers        (OR)
> >       - The Ubuntu Repository team
>
> Neither, most likely.  Run apt-get update, try apt-get install again.
>
> > 2) How and where is the package name 'msp430-46' getting resolved to "
> > msp430-46/msp430-46_20120427_all.deb<
> http://tinyprod.net/repos/debian/pool/main/m/msp430-46/msp430-46_20120427_all.deb
> >"
> > ?
> >            -- This is a general question I've had all the time regarding
> > APT's name resolution
>
> /var/lib/apt/lists/ has a copy of the file listings of all the apt
> repositories configured via /etc/apt/sources.list (and
> /etc/apt/sources.list.d/*.list).  apt-get update downloads or updates
> these.  Then apt-get install uses these lists to find what repos contain
> what versions of the package, picks the latest version, and constructs
> the download URL.
>
Thanks for the pointers. I'll be looking into them

>
> HTH,
> Marius Gedminas
> --
> Hanlon's Razor:
>         Never attribute to malice that which is adequately explained
>         by stupidity.
>
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