clean to save space
diff --git a/onos-setup-lxc.sh b/onos-setup-lxc.sh
index 2a85853..6762261 100644
--- a/onos-setup-lxc.sh
+++ b/onos-setup-lxc.sh
@@ -196,6 +196,8 @@
 
 sudo chmod 777 ${USER_HOME}/reset-to-3.sh
 
+sudo apt-get clean
+
 # ------------- Set up each tutorial -------------
 
 create_user tutorial1 "Basic ONOS Tutorial"