Hi

On 2 August 2017 at 03:55, Jia-Rui Fei <[email protected]> wrote:

> Dear group members,
>
> I am new to sage. I just installed the sage 8.0 last week with the
> virtualbox. I run it on a Windows 8 system from my laptop.
>
> Unfortunately I am unable to install any additional package (from the
> command line: sage -i [packagename]). It always came back the same error
> messages. Here are a few screenshots when I tried to install the package
> Frobby. Can anyone help me out? It is greatly appreciated.
>

Better to attach a (text format) log file or cut and paste relevant lines,
so readers don't have to open images.

Your one screenshot says "Temporary failure in name resolution" which
indicates a networking error on your side.
Maybe test with ping sagepad.org

Regards,
Jan




-- 
  .~.
  /V\     Jan Groenewald
 /( )\    www.aims.ac.za
 ^^-^^

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