add unbound.service

lib/systemd/system/unbound.service

@@ -0,0 +1,17 @@
+[Unit]
+Description=Unbound DNS server
+Documentation=man:unbound(8)
+After=network.target
+Before=nss-lookup.target
+Wants=nss-lookup.target
+
+[Service]
+Type=exec
+Restart=on-failure
+EnvironmentFile=-/usr/local/etc/unbound/unbound_env
+ExecStart=/usr/local/sbin/unbound -d -p $DAEMON_OPTS
+ExecReload=+/bin/kill -HUP $MAINPID
+
+[Install]
+WantedBy=multi-user.target
+