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Re: monitor network-interface lo

From: Russell Simpkins
Subject: Re: monitor network-interface lo
Date: Sat, 6 Dec 2014 09:49:19 -0500

You could also consider a very simple bash script

status=$(ifconfig |grep -c "lo0:")
exit $status

Then run that with the check program with path:

check program myscript with path /usr/local/bin/ 
       if status != 0 then alert

On Sat, Dec 6, 2014 at 9:44 AM, Rui Lapa <address@hidden> wrote:

Never noticed it didn't work for loopback interface.
Will dormant or carrier on the same path help?

It's the only way I know how, without using ip or ifconfig commands.

You can always develop a status check:

Just trying to help!

Em 06/12/2014 13:20, "Hermann" <address@hidden> escreveu:


could you be a little more verbose?

I do

        # cat /sys/class/net/lo/operstate

and get the output


Ifconfig shows that lo is up.

The OS is Debian Wheezy, if that matters.


Am 06.12.2014 um 14:12 schrieb Rui Lapa:
> Hello,
>     Check /sys/class/net/lo/operstate for up via monit exec.
> My 1 cent,
>     Rui Lapa
> Em 06/12/2014 12:14, "Hermann" <address@hidden
> <mailto:address@hidden>> escreveu:
>     Hello,
>     I would like to monitor wether the "lo" network-interface is up and if
>     not, bring it up.
>     How can this be done with monit?
>     Thank you in advance
>     Hermann
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