upgrade packages for debian and reboot prior to so installation

setup/so-whiptail

@@ -27,6 +27,23 @@ whiptail_airgap() {
 	fi
 }
 
+whiptail_debian_reboot_required() {
+
+	[ -n "$TESTING" ] && return
+
+	read -r -d '' message <<- EOM
+
+	Packages were upgraded and a reboot is required prior to Security Onion installation.
+
+	Press TAB and then the ENTER key to reboot the system.
+
+	Once the reboot has completed, rerun Security Onion setup.
+
+	EOM
+
+	whiptail --title "$whiptail_title" --msgbox "$message" 24 75 --scrolltext
+}
+
 whiptail_desktop_install() {
 
 	[ -n "$TESTING" ] && return