On 07/25/2010 05:19 PM, Michael Wesolowski wrote:
Hello,
As per the subject, I am unable to do the following:
plot(1);
The error message I get is ( as user postgres)
No protocol specified
Error in X11(d$display, d$width, d$height, d$pointsize, d$gamma,
d$colortype, :
unable to start device X11cairo
In addition: Warning message:
In function (display = "", width, height, pointsize, gamma, bg, :
unable to open connection to X11 display ''
I have tried looking around before posting to the mailing list, but I don't
have the Linux knowledge to make this work.
Some helpful information might be the truncated output from capabilities() -
the output suggests the probable cause for this error, but I don't know how
to fix it.
as user postgres:
capabilities()
X11 cairo
FALSE TRUE
as user root:
capabilities()
X11 cairo
TRUE TRUE
More information about you system will be helpful.
What version of Ubuntu?
What version of R?
Did you install R as a binary (with apt-get or synaptic, for example) or
did you compile from source?
Is "postgres" a user you created or a creation of installing a database?
Are you running the command via batch or interactive with an R prompt?
Given the user "postgres" it sounds like you are trying to run an R
script for some database functions. Any general information about what
you are trying to do will also be helpful.
Michael
--
Dr. Michael A. Rutter
School of Science
Penn State Erie, The Behrend College
Station Road
Erie, PA 16563
http://math.bd.psu.edu/faculty/rutter
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