Is this a Windows system behind a firewall?

Can you reach the CRAN mirrors directly from Internet Explorer?

If yes to both, then you need to use
   setInternet2(TRUE)
before doing the package installations from the RConsole menu.
See the Windows FAQ and the ?setInternet2 for more details.
On Thu, Sep 16, 2010 at 3:39 PM, Peter Dalgaard <pdalgd@gmail.com> wrote:

> On 09/16/2010 04:42 PM, Ben Bolker wrote:
> > Jorge Nieves <jorge.nieves <at> moorecap.com> writes:
> >
> >>
> >>
> >> Hi,
> >>
> >> We have some tight controls in our systems and I am having difficulty
> >> downloading/upgrading R packages.  The IT department will configure our
> >> system to let me download packages from two or three R depositories.
> >> How do I find out what the IP address of the R depositories are so that
> >> I can select a few? The IT department needs to know the IP addresses.
> >>
> >> Thanks,
> >>
> >> Jorge Nieves
> >>
> >
> >   This works for me.  Substitute your closest mirror(s).
> > (I believe 'ping' should be available on Windows, MacOS, or Linux
> > in a command window.)
> >
> >> ping probability.ca
> > PING probability.ca (128.100.73.51) 56(84) bytes of data.
> > 64 bytes from markov.utstat.toronto.edu (128.100.73.51): icmp_seq=2
> ttl=52
> > time=125 ms
> > 64 bytes from markov.utstat.toronto.edu (128.100.73.51): icmp_seq=3
> ttl=52
> > time=152 ms
> >
> >> ping cran.r-project.org
> > 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=44
> >   time=123 ms
> > 64 bytes from cran.wu-wien.ac.at (137.208.57.37): icmp_seq=2 ttl=44
> >   time=122 ms
> > ^C
> >
> >> ping r-forge.r-project.org
> > PING r-forge.wu-wien.ac.at (137.208.57.38) 56(84) bytes of data.
> > 64 bytes from r-forge.wu-wien.ac.at (137.208.57.38): icmp_seq=1 ttl=44
> >    time=123 ms
> > 64 bytes from r-forge.wu-wien.ac.at (137.208.57.38): icmp_seq=2 ttl=44
> >   time=122 ms
> > ^C
>
> Hum, ping probes may not travel far on a tightly secured system, but I
> suppose that it will display the address anyway. Rather startling that
> an IT department don't know how to operate a DNS search themselves, though.
>
> --
> Peter Dalgaard
> Center for Statistics, Copenhagen Business School
> Phone: (+45)38153501
> Email: pd.mes@cbs.dk  Priv: PDalgd@gmail.com
>
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> PLEASE do read the posting guide
> http://www.R-project.org/posting-guide.html<http://www.r-project.org/posting-guide.html>
> and provide commented, minimal, self-contained, reproducible code.
>

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