Add documentation.

0.10.2/README.sytemd

@@ -26,3 +26,24 @@ EOF
 
 systemctl daemon-reload
 systemctl enable fail2ban.service
+
+# - An alternative systemd configuration
+# -
+cat << EOF > /etc/systemd/system/fail2ban.service
+[Unit]
+Description=Fail2Ban Service
+Documentation=man:fail2ban(1)
+After=network.target iptables.service firewalld.service
+PartOf=iptables.service firewalld.service
+
+[Service]
+Type=forking
+ExecStart=/usr/bin/fail2ban-client -x start
+ExecStop=/usr/bin/fail2ban-client stop
+ExecReload=/usr/bin/fail2ban-client reload
+PIDFile=/var/run/fail2ban/fail2ban.pid
+Restart=always
+
+[Install]
+WantedBy=multi-user.target
+EOF