kssh

kssh

#!/bin/bash

function die { echo "ERROR: $*"; exit 1; }

[ $# -lt 2 ] && die "Too few arguments"

KNOCKPORTS="$1"
shift
HOST="$1"
shift

for i in $KNOCKPORTS
do
        echo "Knock $i ..."
        nc -w 1 $HOST $i 2>/dev/null
done

ssh $HOST $@