thank you! I figured that out, I was incorrectly running the Mac version of Simfactory on

Nebula, that was causing the problem.

On Wed, 28 Aug 2019 at 16:37, Haas, Roland <rhaas@illinois.edu> wrote:

Hello Tomas,

to run the tutorial online (ie via http://etkhub.ndslabs.org/) you do
not need to install any software. The "Prerequisites" section is only
used when you want to run the tutorial on your own laptop. The section
talking about xcode in particular is only used on OSX systems (Macs).

Yours,
Roland

> Hi,
>
> I am running the CactusTutorial online. In the section 'Prerequisites',
> we are told to install a few packages (xcode, gcc, git, etc). To try to do
> so, I
> opened a terminal within Jupyter, and typed
>
> sudo xcodebuild -license
>
> I got the error message:
>
> /bin/sh: 1: sudo: not found
>
> So, I can't download any of the prerequisites.
>
> I am able to continue and download Cactus with 'GetComponents' and
> run 'simfactory', but the build of 'einsteintoolkit' fails due to lack of
> the
> C compiler.
>
> Any advice?
>
> thank you!
> Tomas
>

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