Setup-instructions-for-the-distributed-NDS-server.md

@@ -147,6 +147,19 @@ This config instructs the proxy to listen on 192.168.0.100:31200 for nds2 connec
 
 Add a systemd unit file with the following contents
 <pre>
+[Unit]
+Description=NDS HA proxy
+After=network-online.target
+
+[Service]
+ExecStart=/usr/bin/nds-proxy -config /etc/ndsproxy/ndsproxy.json
+User=ndsproxy
+Restart=always
+RestartSec=5s
+LimitNOFILE=40000:40000
+
+[Install]
+WantedBy=multi-user.target
 </pre>
 
 Enable the service
@@ -155,3 +168,28 @@ systemctl daemon-reload
 systemctl enable nds-ha-proxy
 systemctl start nds-ha-proxy
 </pre>
+
+### Install of the metadata server
+
+The metadata server tracks the channel history over time.  This tracks the channels when channels exist and what frame types they exist in.
+
+<pre>
+apt-get install nds-metadata-server
+</pre>
+
+Create a systemd unit file /etc/systemd/system/nds-metadata-server.service with the following contents.
+<pre>
+[Unit]
+Description=NDS metadata server
+After=remote-fs.target network-online.target
+
+[Service]
+# note the diskcache and channel-lists will need some better defining
+# and do not yet work in this example.
+ExecStart=/usr/bin/nds_metadata_server  -listen 127.0.0.1:31202 -diskcache nds.dcs:11300 -channel-lists /var/lib/ndsmetadata/channel-lists.txt
+User=nds
+LimitNOFILE=40000:40000
+
+[Install]
+WantedBy=multi-user.target
+</pre>
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