diff --git a/on-boot-script/examples/udm-files/on_boot.d/15-add-ssh-known-hosts.sh b/on-boot-script/examples/udm-files/on_boot.d/15-add-ssh-known-hosts.sh
new file mode 100644
index 0000000..17fe07b
--- /dev/null
+++ b/on-boot-script/examples/udm-files/on_boot.d/15-add-ssh-known-hosts.sh
@@ -0,0 +1,29 @@
+#!/bin/sh
+
+#####################################################
+# ADD KNOWN HOSTS AS BELOW - CHANGE BEFORE RUNNING  #
+#####################################################
+# set -- "known host text on a line with quotes " \ #
+#        "second known host on another line "     \ #
+# 	 "one per line, last line has no backslash" #
+#####################################################
+set -- "hostname ecdsa-sha2-nistp256 AAAABIGHOSTIDENTIFIERWITHMAGICSTUFF=" \
+       "otherhost ecdsa-sha2-nistp256 AAAADIFFERENTHOSTMAGICSTUFF!@HJKSL="
+
+KNOWN_HOSTS_FILE="/root/.ssh/known_hosts"
+
+
+counter=0
+for host in "$@"
+do
+	## Places known host in ~/.ssh/known_hosts if not present
+	if ! grep -Fxq "$host" "$KNOWN_HOSTS_FILE"; then
+		let counter++
+		echo "$host" >> "$KNOWN_HOSTS_FILE"
+	fi
+done
+
+echo $counter hosts added to $KNOWN_HOSTS_FILE
+
+
+exit 0;