2010/6/7 Michael Rutter <[email protected]>: > > > 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 -- =============================== Linux user #454569 -- Ubuntu user #17469 =============================== Dept. of Civil and Env. Engineering University of Trento, Italy _______________________________________________ R-SIG-Debian mailing list [email protected] https://stat.ethz.ch/mailman/listinfo/r-sig-debian

