Hi, On Thu, May 26, 2011 at 10:42 AM, ogbos okike <ogbos.ok...@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 ______________________________________________ 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.