diff --git a/installation-check-for-systemd.sh b/installation-check-for-systemd.sh
new file mode 100644
index 0000000..5536848
--- /dev/null
+++ b/installation-check-for-systemd.sh
@@ -0,0 +1,35 @@
+#!/bin/bash
+
+function check {
+	_chknm="$1"
+	shift
+	_msg="$1"
+	shift
+	if $1 > /dev/null 2>&1 ; then
+		echo "${_chknm} : OK" 1>&2
+	else
+		echo "${_chknm} : NG" 1>&2
+		echo "${_msg}" 1>&2
+	fi
+}
+
+USERNAME=ssh-tunnel-manager
+GROUPNAME=ssh-tunnel-manager
+
+NCHECKS=5
+check "1/${NCHECKS} service user" "A user named '${USERNAME}' must exist." "id -u ${USERNAME}"
+check "2/${NCHECKS} service group" "A group named '${GROUPNAME}' must exist." "id -g ${GROUPNAME}"
+
+MANAGERPGM=/usr/sbin/ssh-tunnel-manager
+check "3/${NCHECKS} ssh-tunnel-manager.sh installation" "The '# install -m 555 ssh-tunnel-manager.sh ${MANAGERPGM}' must be done." "test -x ${MANAGERPGM}"
+
+
+SYSTEMDUNIT=/etc/systemd/system/ssh-tunnel-manager.service
+check "4/${NCHECKS} ssh-tunnel-manager.service installation" "The '# install -m 444 ssh-tunnel-manager.service ${SYSTEMDUNIT}' must be done." "test -r ${SYSTEMDUNIT}"
+
+CONF_FROM=ssh-tunnel-manager.conf.example
+CONF_TO=/etc/ssh-tunnel-manager.conf
+check "5/${NCHECKS} ${CONF_FROM} installation" "The '# install -m 444 ${CONF_FROM} ${CONF_TO}' must be done." "test -r ${CONF_TO}"
+
+
+echo "Caution: the systemd serice start command is '# systemctl daemon-reload && systemctl enable ssh-tunnel-manager && systemctl start ssh-tunnel-manager'.";