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How to display Negative values with MRTG
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Ib Thomsen
Nov 22, 2003, 8:03:01 AM11/22/03
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Hi
Is it possible to show negative values with mrtg, i should use it to monitor
outdoor temp.
Regards
Ib Thomsen
Jeff Liebermann
Nov 23, 2003, 12:13:48 AM11/23/03
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On Sat, 22 Nov 2003 14:03:01 +0100, "Ib Thomsen" <n...@reply.dk> wrote:
>Is it possible to show negative values with mrtg, i should use it to monitor
>outdoor temp.
No. MRTG only does integers. No fractions, no signed integers, no
floating point, no decimals, just integers. If you want those, use
RRDTool.
This might help:
http://www.pcmeasure.com/mrtg.php
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Mats K
Nov 23, 2003, 9:13:43 AM11/23/03
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Jeff Liebermann wrote:
> On Sat, 22 Nov 2003 14:03:01 +0100, "Ib Thomsen" <n...@reply.dk> wrote:
>
>> Is it possible to show negative values with mrtg, i should use it to
>> monitor outdoor temp.
>
> No. MRTG only does integers. No fractions, no signed integers, no
> floating point, no decimals, just integers. If you want those, use
> RRDTool.
>
> This might help:
> http://www.pcmeasure.com/mrtg.php
> On Sat, 22 Nov 2003 14:03:01 +0100, "Ib Thomsen" <n...@reply.dk> wrote:
>
>> Is it possible to show negative values with mrtg, i should use it to
>> monitor outdoor temp.
>
> No. MRTG only does integers. No fractions, no signed integers, no
> floating point, no decimals, just integers. If you want those, use
> RRDTool.
>
> This might help:
> http://www.pcmeasure.com/mrtg.php
There is a workaround, use the mathematical function and add 100 to the
input values.
/Mats
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