did you ever resolve this? i am facing the same problem. 
thx
jm

On Tuesday, January 28, 2014 5:41:57 AM UTC-8, Jeremy McFarland wrote:
>
> Hello,
>
> I am very impressed with sage, and would love to use it on my Ubuntu 
> server. I attempted to install sagecell, but that was a huge mess and I 
> gave up. I do not want to make calls to another system outside my network, 
> so I need sage (or sagecell) to run locally.
>
> I am running Ubuntu 12.04 Server with the latest version of Sage binary 
> installed. When I attempt to execute a sage -python call I receive the 
> following error in my Apache2 error.log:
>
> Error: environment variable $HOME is not set.
> Error setting environment variables by sourcing 
> '/usr/lib/sagemath/spkg/bin/sage-env'
>
> Setting $HOME in the python script does not fix this. /var/www/.sage 
> exists in the www-data home directory of /var/www. www-data owns and has 
> r/w on /var/www/.sage.
>
> Is there a fix for this? If not, is there a successful install instruction 
> set for installing sagecell on Ubuntu with the latest release of Sage? Any 
> other alternatives for execution of python code using the Sage libraries so 
> I can execute things in sage and return them to my PHP script being run on 
> the webserver?
>
> Thanks in advance,
>
> -Jeremy
>
>

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