R 2.11.0 for Ubuntu 10.04 Lucid Lynx on CRAN
2010/6/7 Michael Rutter <mar36 at psu.edu>:
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")
I tried with this and it doesn't work.
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.
After some verifications, I confirmed that the problem is in my internet connection via sudo with some applications and not in the upgraded version of Ubuntu 10.4 with R 2.9.11, and I'll try to figure out why. (what is strange is that 'sudo apt-get update' works fine from the console but 'update.packages()' doesn't within a sudo session...)
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
Thank you very much for your valuable help. Kind regards, Mauricio
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