Postinst...

debian/fw-daemon.postinst

@@ -17,5 +17,28 @@ case $1 in
 	;;
 esac
 
+# Automatically added by dh_systemd_enable
+# This will only remove masks created by d-s-h on package removal.
+deb-systemd-helper unmask fw-daemon.service >/dev/null || true
+
+# was-enabled defaults to true, so new installations run enable.
+if deb-systemd-helper --quiet was-enabled fw-daemon.service; then
+	# Enables the unit on first installation, creates new
+	# symlinks on upgrades if the unit file has changed.
+	deb-systemd-helper enable fw-daemon.service >/dev/null || true
+else
+	# Update the statefile to add new symlinks (if any), which need to be
+	# cleaned up on purge. Also remove old symlinks.
+	deb-systemd-helper update-state fw-daemon.service >/dev/null || true
+fi
+# End automatically added section
+# Automatically added by dh_systemd_start
+if [ -d /run/systemd/system ]; then
+	systemctl --system daemon-reload >/dev/null || true
+	deb-systemd-invoke start fw-daemon.service >/dev/null || true
+fi
+# End automatically added section
+
 #DEBHELPER#
 
+exit 0