Hello Steve,
Thanks again for your time.

Since this is part of learning for me, I have set up another system for  it
to avoid getting into much problem with my laptop and hence my work.
Whatever I learn in this new system about the installation I can safely
apply to my laptop.
I have tried to get the key following the two ways specified at
http://keyserver.ubuntu.com:11371/ but no success yet, access denied.
I will post to debian list.
Regards
Ogbos

On 26 May 2011 16:51, Steve Lianoglou <mailinglist.honeypot@gmail.com>wrote:

> Hi,
>
> On Thu, May 26, 2011 at 10:42 AM, ogbos okike <ogbos.okike@gmail.com>
> wrote:
> > Hi Steve,
> > Many thanks.
> >
> > I added :deb http://cran.at.r-project.org/bin/linux/ubuntu lucid/ in my
> > source.list and then tried sudo apt-get update. The last lines of the
> result
> > says:
> > Reading package lists... Done
> > W: GPG error: http://cran.at.r-project.org lucid/ Release: The following
> > signatures couldn't be verified because the public key is not available:
> > NO_PUBKEY 51716619E084DAB9
> >
> > I am in south africa. I looked at the cran mirrors, there is no south
> > africa. I chose Australia.
>
> In that cran/ubuntu page, there is a section entitled "SECURE APT"
> which talks about doing some gpg key juggling .. did you do that part?
>
> Also -- you might consider posting to the r-sig-debian list:
> https://stat.ethz.ch/mailman/listinfo/r-sig-debian
>
> if things start getting *really* out of control, though I suspect
> you're quite close to a solution now ... :-)
>
> --
> Steve Lianoglou
> Graduate Student: Computational Systems Biology
>  | Memorial Sloan-Kettering Cancer Center
>  | Weill Medical College of Cornell University
> Contact Info: http://cbio.mskcc.org/~lianos/contact
>

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