[R] X11 problem

[carol white]

gpg --keyserver keyserver.ubuntu.com --recv-key E084DAB9
gpg: requesting key E084DAB9 from hkp server keyserver.ubuntu.com
gpgkeys: HTTP fetch error 7: couldn't connect to host
gpg: no valid OpenPGP data found.
gpg: Total number processed: 0


How to solve the problem?

Cheers,

Carol

----- Original Message -----
From: Alexander Engelhardt <alex at chaotic-neutral.de>
To: carol white <wht_crl at yahoo.com>
Cc: "r-help at stat.math.ethz.ch" <r-help at stat.math.ethz.ch>
Sent: Thursday, August 25, 2011 3:31 PM
Subject: Re: [R] X11 problem

Am 25.08.2011 15:05, schrieb carol white:
> both. But it worked for R-2-10.
>
> I added
>
> deb http://cran.ma.imperial.ac.uk/bin/linux/ubuntu lucid/
>
> into  /etc/apt/sources.list and ran
>
> apt-get update
>
>
> as root and got the following error message:
>
>
> W: GPG error: http://cran.ma.imperial.ac.uk lucid/ Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 51716619E084DAB9
> W: GPG error: http://ppa.launchpad.net lucid Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 3B22AB97AF1CDFA9

Hey there,

I had some problems with this just a few days ago.
You need to import that GPG key. See the section "secure APT" here:
http://cran.r-project.org/bin/linux/ubuntu/

Cheers,
  Alex