updates for upgrade

templates/silent-install.conf.j2

diff --git a/templates/silent-install.conf.j2 b/templates/silent-install.conf.j2
index 73fe40d..470a440 100644
--- a/templates/silent-install.conf.j2
+++ b/templates/silent-install.conf.j2
@@ -85,3 +85,5 @@
 ORG_NAME={{ org_name }}
 {% endif %}
 
+ENABLE_SYSTEM_CHECK={{ enable_system_check }}
+