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#! /bin/bash
[ $# -lt 1 ] && echo "missing mandatory argument 'hostname'" && exit 1
host=$1
ssh $host "sudo halt" || exit 1
CPT=0
while [ ${CPT} -ne 5 ]; do
CPT=$((CPT+1))
ping -c 1 -W 2 -q $host 2>&1 >/dev/null
[ $? -ne 0 ] && echo "sshhh, he's asleep..." && exit 0
sleep 5
done
echo "$host is still awake!" && exit 1
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