[R] update.packages through proxy failing
ripley at stats.ox.ac.uk
Wed Jan 8 09:04:05 CET 2003
On Wed, 8 Jan 2003, Duncan Mackay wrote:
> my uni has recently switched to using a proxy (with password) for accessing
> Web pages outside the uni. I have since found that "update packages" etc no
> longer seem to work from R.
> I have tried to fix this problem in two ways:-
> 1) renaming internet2.dll to internet.dll in the "Modeules" folder and
> proceeding as usual. When I tried "update packages" from the menu in R, I
> got an "Rgui.exe has prodeced errors and is generating an error log" message
> and crash.
No wonder. Try looking *carefully* at the CHANGES file, undoing the
criminal damage you caused and using the --internet2.dll flag.
Or just read ?download.file (linked from ?update.packages).
> 2) I used the following code
>  TRUE TRUE
> > Sys.getenv("HTTP_PROXY")
> > update.packages()
> trying URL `http://cran.r-project.org/bin/windows/contrib/PACKAGES'
> unable to connect to 'cran.r-project.org'.
> Error in download.file(url = paste(contriburl, "PACKAGES", sep = "/"), :
> cannot open URL
You've already damaged your system, *and* the help page says you cannot
set the variables that way! And it also says that is not the format for
> Any help gratefully appreciated,
Read and follow the instructions? I do suggest you reinstall R, then
use the --internet2 flag *as documented*.
Brian D. Ripley, ripley at stats.ox.ac.uk
Professor of Applied Statistics, http://www.stats.ox.ac.uk/~ripley/
University of Oxford, Tel: +44 1865 272861 (self)
1 South Parks Road, +44 1865 272866 (PA)
Oxford OX1 3TG, UK Fax: +44 1865 272595
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