diff --git a/start.sh b/start.sh
new file mode 100755
index 0000000..d6aa010
--- /dev/null
+++ b/start.sh
@@ -0,0 +1,9 @@
+#! /bin/sh
+if [ -f floodlight.onos1vpc.log ]; then
+ mv floodlight.onos1vpc.log floodlight.onos1vpc.log.1
+fi
+ppid=`ps -edalf |grep java |grep floodlight.jar | awk '{print $4}'`
+if [ x$ppid != "x" ]; then
+  sudo kill -KILL $ppid
+fi
+java -jar target/floodlight.jar > floodlight.onos1vpc.log 2>&1 &