diff --git a/demo4-scale-out-destroy.py b/demo4-scale-out-destroy.py
new file mode 100644
index 0000000..6de50e2
--- /dev/null
+++ b/demo4-scale-out-destroy.py
@@ -0,0 +1,98 @@
+import getpass
+import os
+
+#import libcloud.security
+import time
+from libcloud.compute.providers import get_driver
+from libcloud.compute.types import Provider
+
+# reqs:
+#   services: nova, glance, neutron
+#   resources: 2 instances (m1.small), 2 floating ips (1 keypair, 2 security groups)
+
+# Please use 1-25 for X in username, project etc., as coordinated in the lab sessions
+
+# web service endpoint of the private cloud infrastructure
+auth_url = 'https://private-cloud2.informatik.hs-fulda.de:5000'
+# your username in OpenStack
+auth_username = 'CloudCompX'
+# your project in OpenStack
+project_name = 'CloudCompGrpX'
+
+# default region
+region_name = 'RegionOne'
+# domain to use, "default" for local accounts, "hsfulda" for LDAP of DVZ, e.g., using fdaiXXXX as auth_username
+domain_name = "default"
+
+ubuntu_image_name = "Ubuntu 14.04 - Trusty Tahr - 64-bit - Cloud Based Image"
+
+flavor_name = 'm1.small'
+
+network_name = "CloudCompX-net"
+
+keypair_name = 'srieger-pub'
+pub_key_file = '~/.ssh/id_rsa.pub'
+
+
+def main():
+    ###########################################################################
+    #
+    # get credentials
+    #
+    ###########################################################################
+
+    if "OS_PASSWORD" in os.environ:
+        auth_password = os.environ["OS_PASSWORD"]
+    else:
+        auth_password = getpass.getpass("Enter your OpenStack password:")
+
+    ###########################################################################
+    #
+    # create connection
+    #
+    ###########################################################################
+
+    #libcloud.security.VERIFY_SSL_CERT = False
+
+    provider = get_driver(Provider.OPENSTACK)
+    conn = provider(auth_username,
+                    auth_password,
+                    ex_force_auth_url=auth_url,
+                    ex_force_auth_version='3.x_password',
+                    ex_tenant_name=project_name,
+                    ex_force_service_region=region_name,
+                    ex_domain_name=domain_name)
+
+    ###########################################################################
+    #
+    # clean up resources from previous demos
+    #
+    ###########################################################################
+
+    # destroy running demo instances
+    for instance in conn.list_nodes():
+        if instance.name in ['all-in-one', 'app-worker-1', 'app-worker-2', 'app-worker-3', 'app-controller',
+                             'app-services', 'app-api-1', 'app-api-2']:
+            print('Destroying Instance: %s' % instance.name)
+            conn.destroy_node(instance)
+
+    # wait until all nodes are destroyed to be able to remove depended security groups
+    nodes_still_running = True
+    while nodes_still_running:
+        nodes_still_running = False
+        time.sleep(3)
+        instances = conn.list_nodes()
+        for instance in instances:
+            # if we see any demo instances still running continue to wait for them to stop
+            if instance.name in ['all-in-one', 'app-worker-1', 'app-worker-2', 'app-controller']:
+                nodes_still_running = True
+        print('There are still instances running, waiting for them to be destroyed...')
+
+    # delete security groups
+    for group in conn.ex_list_security_groups():
+        if group.name in ['control', 'worker', 'api', 'services']:
+            print('Deleting security group: %s' % group.name)
+            conn.ex_delete_security_group(group)
+
+if __name__ == '__main__':
+    main()
diff --git a/demo4-scale-out.py b/demo4-scale-out.py
index 53b61e7..6ab5ebc 100644
--- a/demo4-scale-out.py
+++ b/demo4-scale-out.py
@@ -1,7 +1,7 @@
 import getpass
 import os
 
-import libcloud.security
+#import libcloud.security
 import time
 from libcloud.compute.providers import get_driver
 from libcloud.compute.types import Provider
@@ -28,7 +28,7 @@ ubuntu_image_name = "Ubuntu 14.04 - Trusty Tahr - 64-bit - Cloud Based Image"
 
 flavor_name = 'm1.small'
 
-network_name = "ai-netlab-pro-net"
+network_name = "CloudCompX-net"
 
 keypair_name = 'srieger-pub'
 pub_key_file = '~/.ssh/id_rsa.pub'
@@ -52,7 +52,7 @@ def main():
     #
     ###########################################################################
 
-    libcloud.security.VERIFY_SSL_CERT = False
+    #libcloud.security.VERIFY_SSL_CERT = False
 
     provider = get_driver(Provider.OPENSTACK)
     conn = provider(auth_username,