[mrtg] External script produces no graphs

Eric Brander mailinglists at rednarb.com
Wed Jul 9 18:39:54 CEST 2008

On Wed, Jul 9, 2008 at 9:15 AM,  <lazna at volny.cz> wrote:
> I have temperature meter connected on serial port. Special software read
> temperature every minute a write it into a file. I have created batch
> which take temperature value, crop unwanted text around the value, than
> write value (plain number) into text file and print out content of this
> file into four lines as output. Than I put path to this script as target
> into MRTG cfg file. The mrtg start as usual (without any error messages),
> but day picture does not contain any data. I let it run for two hours
> as daemon, but nothing. Any ideas???

Are you using the GAUGE option? Post the relevant portions of your
config file so we can make sure all is well.


Eric Brander

More information about the mrtg mailing list