diff --git a/xCATsn/xCATSN b/xCATsn/xCATSN
new file mode 100644
index 000000000..010b149c0
--- /dev/null
+++ b/xCATsn/xCATSN
@@ -0,0 +1,2 @@
+# This file in /etc/xCATSN indicates, it is a Service Node.
+# Installed by xCATsn meta package