[R-sig-Debian] Server certificate verification failed

[Michael Rutter]

On 08/18/2015 01:54 PM, Irucka Embry wrote:
> Hi all, I have the following in my apt sources.list file: deb https://
> /bin/linux/ubuntu trusty/
>
> I issued the following command to obtain the public key:
> sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys E084DAB9
>
>
> I am receiving the following error message though after updating the
> Synaptic package manager:
> Failed to fetch
> https://cran.revolutionanalytics.com/bin/linux/ubuntu/trusty/Packages
> server certificate verification failed. CAfile:
> /etc/ssl/certs/ca-certificates.crt CRLfile: none
>

Irucka,

I just ran the "apt-key" command provided and it worked just fine.  I am 
able to find the key on keyserver.ubuntu.com by searching for "Michael 
Rutter".  You can download the key and add it with "sudo apt-key add 
key.txt".  There are alternate directions at 
https://cran.r-project.org/bin/linux/ubuntu/ as well.

Hope this helps,
Michael

> Any assistance that you can provide will be helpful.
>
> Thank you.
>
> Irucka Embry
>
>
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-- 
Dr. Michael A. Rutter
Associate Professor of Statistics
Academic and Program Coordinator, Mathematics
Penn State Erie, The Behrend College
Station Road
Erie, PA 16563
http://math.bd.psu.edu/faculty/rutter