echo "killing all existing node.js process ..."
killall node 2>/dev/null


echo "start message broker ..."
./run_demo broker > broker.log &
sleep 3

echo "start center ..."
./run_demo center > center.log &
sleep 2

echo "start orion ediosn hub ..."
./run_demo orion > orion.log &
sleep 10

echo "visit ip:8080 for develop, ip:3000 for ui view"