Good morning all,
I am running linux on Ubuntus. I am unable to install any R packages. The
error message below always returns whenever I make an attempt:

> install.packages("cvt")
Warning in install.packages("cvt") :
  argument 'lib' is missing: using '/home/ogbos/R/i486-pc-linux-
gnu-library/2.8'
--- Please select a CRAN mirror for use in this session ---
Loading Tcl/Tk interface ... done
Warning: unable to access index for repository
http://cran.za.r-project.org/src/contrib
Warning messages:
1: In open.connection(con, "r") :
  unable to connect to 'cran.r-project.org' on port 80.
2: In install.packages("cvt") : package ‘cvt’ is not available

It does appear that this has to do with internet connection.

I entered ping cran.r-project.org on the command line expecting to see:

'PING cran.wu-wien.ac.at (137.208.57.37) 56(84) bytes of data.
64 bytes from cran.wu-wien.ac.at (137.208.57.37): icmp_seq=1 ttl=46 time=141
ms
64 bytes from cran.wu-wien.ac.at (137.208.57.37): icmp_seq=2 ttl=46 time=142
ms
64 bytes from cran.wu-wien.ac.at (137.208.57.37): icmp_seq=3 ttl=46 time=141
ms'

But I only saw PING cran.wu-wien.ac.at (137.208.57.37) 56(84) bytes of data.

I also tried ping cran.za.r-project.org. The result only show:
'PING vhost.ru.ac.za (146.231.129.7) 56(84) bytes of data.'

I do not know what else to do as I am but a new student of R. I will please
appreciate any help.
Thank you

Ogbos

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