Try this:

gpg --keyserver subkeys.pgp.net --recv 51716619E084DAB9
gpg --export --armor 51716619E084DAB9 | sudo apt-key add -

Best,

KK


On Mon, Apr 7, 2014 at 11:05 AM, Witold E Wolski <wewolski@gmail.com> wrote:

> Hi,
>
> trying to install newest R on ubuntu
>
> I follow the instructions at:
>  http://cran.at.r-project.org/bin/linux/ubuntu/
>
>
> I added:
>
> deb http://cran.r-mirror.de/bin/linux/ubuntu saucy/
>
> to:
> /etc/apt/sources.list
>
>
> running :
>
> sudo apt-get update
>
> produces :
> W: GPG error: http://cran.r-mirror.de saucy/ Release: The following
> signatures couldn't be verified because the public key is not
> available: NO_PUBKEY 51716619E084DAB9
>
> ??
>
>
> regards
> Witold
>
>
> --
> Witold Eryk Wolski
>
> ______________________________________________
> R-help@r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide
> http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
>



-- 
Qiang Kou
qkou@umail.iu.edu
School of Informatics and Computing, Indiana University

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