public-wiki/technikzeugs/scripts/ping.sh

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#!/bin/bash
HOSTS="10.9.8.10"
COUNT=120
DOWN=0
for myHost in $HOSTS
do
count=$(ping -c $COUNT $myHost | grep 'received' | awk -F',' '{ print $2 }' | awk '{ print $1 }')
if [ $count -eq 0 ]; then
if [ $DOWN -eq 0 ]; then
echo "sol ($myHost) is down at $(date)" | mail -s "sol down" mail@reudnetz.org
DOWN=1
fi
else
if [ $DOWN -eq 1 ]; then
echo "sol ($myHost) is up again at $(date)" | mail -s "sol recovered" mail@reudnetz.org
DOWN=0
fi
fi
done