[R] Warning: unable to access index for repository...

Tully Holmes tully@holme@ @ending from wyo@gov
Mon Aug 27 22:14:03 CEST 2018

Good afternoon,

I'm trying to install a package with the "install.packages" command in
RGUI, and get the following error message:

> install.packages ("tidyverse")
Warning: unable to access index for repository
  cannot open URL ''
Warning: unable to access index for repository
  cannot open URL '
Warning message:
package ‘tidyverse’ is not available (for R version 3.3.3)

Is there any documentation available that might document all the
destination IP addresses that are involved when the "install.packages"
command is ran?  Our R server is in a part of the state network that has
limited access to the internet, so I need to have outbound openings made in
the firewall that will let the install.packages command access what it
needs to access .  Earlier I have coordinated with the firewall team to
open ports 80 and 443 outbound from our R server to the 3 IP addresses that
correspond to mran.microsoft.com, cran.microsoft.com, and www.stats.ox.ac.uk.
I looked up these 3 IP addresses at network-tools.com.  I think there might
be additional IP addresses involved, because after these openings were
made, I'm still getting the error message above.



Tully Holmes

Business Applications Analyst

State of Wyoming

Wyoming Community College Commission

2300 Capitol Ave., 5th Floor, Suite B

Cheyenne, WY 82002



E-Mail to and from me, in connection with the transaction 
of public 
business, is subject to the Wyoming Public Records 
Act and may be 
disclosed to third parties.

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