I do not know an answer, but you may want  to use the amazon cluster 
generator (cfncluster).  It is under constant development, unlike 
starcluster.  It may be easier. 

https://github.com/awslabs/cfncluster


On Friday, September 9, 2016 at 7:21:33 PM UTC-5, Alexandros Fakos wrote:
>
> Hi,
>
> I am trying to run julia in parallel on EC2 AWS. I use the starcluster 
> package to create a cluster of instances.
>
> The problem is that the instances have already installed the 0.3.0 
> prerelease. 
>
> I log in the starcluster master node and use the instructions from 
> http://julialang.org/downloads/platform.html 
>
> sudo add-apt-repository ppa:staticfloat/juliareleases
> sudo add-apt-repository ppa:staticfloat/julia-deps
> sudo apt-get update   (this command is giving me errors: W:Failed to fetch 
> http://us-west-1.ec2.archive.ubuntu.com/ubuntu/distrs/raring etc. and 
> other similar messages)
> sudo apt-get install julia
>
> Unfortunately, when  I type  julia in the terminal the 0.3.0 prerelease 
> comes up. 
>
> Note that in my regular EC2 instance the above commands work and install 
> julia 0.4.6
>
> As a general question, how can I launch instances with the latest stable 
> version of julia preinstalled? If I cannot do that, how can I install the 
> latest version of julia in all my cluster nodes?
>
> Thanks a lot,
> Alex
>

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