Thank you for taking the time to report this issue and helping to make
Ubuntu better. Since your report reads more like a support question, and
since you have come up with a working solution, I am converting this
into a question. Feel free to post your solution as an answer to the
question and mark
Boiled it down to octave. Solution is here:
http://stackoverflow.com/questions/22506624/how-to-make-octave-use-
gnuplot-instead-of-fltk-by-default
Use the command:
graphics_toolkit ("gnuplot")
at the beginning of your octave scripts or in your private .octaverc file
e.g.
user@mycomputer:~$ na