[hobbit] Larrd graphs not working

Henrik Stoerner henrik at hswn.dk
Thu Dec 29 21:20:11 CET 2005

On Thu, Dec 29, 2005 at 03:06:02PM -0500, Michael Frey wrote:
> After running the commands as you outlined below, the output in file.png 
> is:
> Content-type: image/png
> Expires: Thu, 29 Dec 2005 19:26:06 GMT
> If I view the file.png file with a png viewer, it is only a black screen.

You must delete the "Content-type: image/png", the "Expires:..." line,
and the blank line. Those lines are headers for the web browser, because 
the output is supposed to be a web response, and not simply a PNG file.

For the file to be a valid PNG file, it must begin with



More information about the Xymon mailing list