[R-sig-Debian] R 2.11.0 for Ubuntu 10.04 Lucid Lynx on CRAN

[Michael Rutter]

On 06/07/2010 10:56 AM, Mauricio Zambrano wrote:
> Thanks Michael for your answer.
>
> The problem is just there: when I use the sudo account, I got the
> following error message:
>
>
>      update.packages()
>
> --- Please select a CRAN mirror for use in this session ---
> Loading Tcl/Tk interface ... done
> Warning: unable to access index for repository
> http://cran.rakanu.com/src/contrib
> Warning message:
> In open.connection(con, "r") :
>    unable to connect to 'cran.r-project.org' on port 80.
>
>
> But when I use my normal user account (within the same terminal form
> which I run sudo), I can update the packages, but creating a new
> version of the packages library within my user account.
>
> So I think the problem is not the Internet/proxy configuration of my
> PC, but something else that it is very strange for me.
>
> Thanks in advance,
>
> Mauricio
>

Mauricio,

You may have an error in sudoers file, which configures how the sudo 
command can be used.  This would be an Ubuntu issue, and more 
information can be found here: https://help.ubuntu.com/community/Sudoers.

You may also want to try:

update.packages(repos="http://lib.stat.cmu.edu/R/CRAN")

This will bypass the need to get a list of mirrors.  You could also try 
your local cran mirror.  If this fails, you have an issue accessing the 
internet via sudo in Ubuntu and you would need to figure out why.

Hope this helps,
Michael

-- 
Dr. Michael A. Rutter
School of Science
Penn State Erie, The Behrend College
Station Road
Erie, PA 16563
http://math.bd.psu.edu/faculty/rutter