Adding artifacts for the tutorial VM.

Change-Id: I5aea02fe70ec012d7fcacebaa2f9b15b949b41b8
diff --git a/tools/tutorials/vm/destroyCluster b/tools/tutorials/vm/destroyCluster
new file mode 100755
index 0000000..9bc3a74
--- /dev/null
+++ b/tools/tutorials/vm/destroyCluster
@@ -0,0 +1,15 @@
+#!/bin/bash
+# -----------------------------------------------------------------------------
+# Destroys the ONOS cluster by stopping the 3 docker containers.
+# -----------------------------------------------------------------------------
+
+# Creates ONOS cluster using ONOS docker images
+ONOS_IMAGE=onosproject/onos:1.12.0
+SSH_KEY=$(cut -d\  -f2 ~/.ssh/id_rsa.pub)
+
+for i in {1..3}; do
+    echo "Destroying onos-$i..."
+    docker stop onos-$i
+done
+
+docker container prune --force