curtis vaughan

Could you share it with me?

Curtis Vaughan


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bijan soleymani

Curtis Vaughan said:

Here's a quick one:
#!/bin/bash
if ping -c 1 $1;
then echo "success";
else echo "ping failed for $1" | mail -s "ping failure for $1" bijan@psq.com;
fi

Simply replace "bijan@psq.com" with your email address. Bijan --
Bijan Soleymani <bijan@psq.com>
http://www.crasseux.com


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jan minar

#!/bin/sh
while :; do
# Allow for intermittent network failures
ping -c 120 "$1" && LAST="`date -R`" || \
mail -s "Can't ping $1 since $LAST" < /dev/null
done

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curtis vaughan

Well, I've been able to edit Bijan's script to do exactly what I want
except. It just runs once. Without putting it in a cron job that
would run every 10 secs, how do I get it to just keep repeating itself,
preferably with a 10 sec delay?

Curtis Vaughan

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curtis vaughan

Actually this is the way I tried to get it to continually loop.
Apparently it does, but it only send out messages as to failures after
I have killed the process.

#!/bin/bash
while :; do
ping='10.0.0.3'
if ping -c 1 $ping;
then echo "success";
else echo "ping failed for $ping" | mail -s "ping failure for $ping"
curtis;
fi
done

Curtis Vaughan

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bijan soleymani

I think that it might be succeeding, and therefore not sending any mails,
but when you kill it you don't kill the script but just the ping command
causing it to "fail". That's why you get the emails when you kill it.

Here's a perl script that repeats the ping every ten seconds until it fails
then it stops running:
#!/usr/bin/perl
$ping='10.0.0.3';
while(!$fail) #check if last ping failed
{
`ping -c 1 $ping`; #execute the ping
if($?==0) #check the status of last command
{
print "success\n";
}
else
{
`echo "ping failed for $ping" | mail -s "ping failure for $ping" curtis`;
$fail=true;
}
sleep(10);
}

If you want it to go on forever (even after the ping starts to fail) simply
change the loop from while(!$fail) to while(1). Bijan --
Bijan Soleymani <bijan@psq.com>
http://www.crasseux.com

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