[LON-CAPA-users] Gnuplot in 2.11.0

[Rex Abert]

Stuart-

Thanks for the pointers. Using the MSU server works.

I'll forward the information to our IT folks.

Rex Abert
Assistant Professor of Mathematics
Tallahassee Community College
________________________________________
From: lon-capa-users-bounces at mail.lon-capa.org [lon-capa-users-bounces at mail.lon-capa.org] on behalf of Stuart Raeburn [raeburn at msu.edu]
Sent: Friday, August 22, 2014 3:21 PM
To: lon-capa-users at mail.lon-capa.org
Subject: Re: [LON-CAPA-users] Gnuplot in 2.11.0

Rex,

> We recently upgraded to version 2.11.0 here at Tallahassee Community
>  College.

LON-CAPA 2.11.0 requires gnuplot 4.4 or later.

> Any thoughts of where to look as to what might be wrong?

You will need access to your server's command line, or ask someone who
has that access to take a look:

Look in /etc/httpd/logs/error_log for lines such as:

"/home/httpd/perl/tmp/abert_tccfl_<UNIXTIME>_<NUM>_plot.data" <error>,
referer: <URL>

where <UNIXTIME> is timestamp (seconds since epoch) e.g., 1408699963
where <NUM> is a numeric ID e.g., 1149728
where <error> is the error message generated by gnuplot
where <URL> is the URL of the resource being displayed.

The command sent to gnuplot will be in:
/home/httpd/perl/tmp/abert_tccfl_<UNIXTIME>_<NUM>_plot.data

and if this was a data plot, then the data will be in:

/home/httpd/perl/tmp/abert_tccfl_<UNIXTIME>_<NUM>_plot.data.0

Other things to try ...

Do you see the same issue when your session is hosted on one of the
MSU servers, e.g., log-in via:
https://s10.lite.msu.edu/adm/login?domain=tccfl
and you display the same resource?


Stuart Raeburn
LON-CAPA Academic Consortium


Quoting Rex Abert <ABERTR at tcc.fl.edu>:

> We recently upgraded to version 2.11.0 here at Tallahassee Community
>  College.  Checking through some homework problems, I am unable to
> see gnuplot graphs in problems containing them.  I see simply the
> "ALT" text "dynamically generated plot".
>
> Any thoughts of where to look as to what might be wrong?
>
>
> Rex Abert
> Assistant Professor of Mathematics
> Tallahassee Community College
> _______________________________________________
> LON-CAPA-users mailing list
> LON-CAPA-users at mail.lon-capa.org
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