Hi,

I installed gnuplot-4.6.5 on Beaglebone Black running Angstrom by compiling 
from source. On trying to plot x^2, I got the following error:

 Code:

gnuplot> plot x*x   
gnuplot: unable to open display '' 
gnuplot: X11 aborted.

So I tried setting the display to :0

 Code:

export DISPLAY=":0"

and retried plotting x^2.
 Code:

gnuplot> plot x*x      
No protocol specified
gnuplot: unable to open display ':0'
gnuplot: X11 aborted.

Can you please help me resolve this issue?

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