Hello,
I'm wondering how to implement this command in to a script:
lpstat | grep DOWN
If a printer has status down then it has to get a down value in ptrg.
I couldnt get started without a good sample, I think it has to be a ssh/script sensor
lpstat unix command
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RESULT="`lpstat | grep DOWN | wc -l`" EXITCODE=0 if [ $RESULT -gt 0 ] then EXITCODE=2 fi echo "$EXITCODE:$RESULT:There are $RESULT down printers."
The sensor will then error as soon as there's a down printer :)
Created on Jul 5, 2016 6:15:12 PM by
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Hello there,
Here's a basic idea (courtesy of a colleague who's more into UNIX/Linux stuff than myself) for a script:
#!/bin/bash
RESULT=`lpstat | grep 'DOWN' | wc -l`
echo "0:$RESULT:There are $RESULT down printers."
That's basically your script. Make sure it is located in /var/prtg/scripts on the target device as described in the sensor's manual page.
To keep things simple, the script is "neutral" on the sensor state, meaning it always returns an "OK" state (represented by "0" in the echo statement). What you need to do then is to set a limit in the sensor's channel that displays the returned value to go into error when upper error limit is 0, meaning every value greater than 0 will lead to the sensor showing an error.
In case this does not work as expected, please post the output of lpstat | grep DOWN so we can finetune the script if necessary.
Kind regards.
Created on Jul 5, 2016 12:01:28 PM by
Last change on Jul 5, 2016 12:04:52 PM by
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RESULT="`lpstat | grep DOWN | wc -l`" EXITCODE=0 if [ $RESULT -gt 0 ] then EXITCODE=2 fi echo "$EXITCODE:$RESULT:There are $RESULT down printers."
The sensor will then error as soon as there's a down printer :)
Created on Jul 5, 2016 6:15:12 PM by
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It's indeed correct - you can also set the exitcode to one instead of 2; then it will go into a warning state. It's either that or using limits :) You can also use the SSH Script Advanced sensor which gives you more options in sensor customization (<your-prtg>/api.htm?tabid=7) :)
Created on Jul 5, 2016 7:39:18 PM by
Last change on Jul 5, 2016 7:40:27 PM by
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