[LON-CAPA-users] Gnuplot in 2.11.0
Stuart Raeburn
raeburn at msu.edu
Fri Aug 22 15:21:27 EDT 2014
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
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