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+# Server Setup
+
+```
+sudo apt install dnsmasq
+```
+
+Edit `/etc/dnsmasq.conf`:
+
+```
+no-resolv  # for offline / isolated networks only
+address=/.apsystemsema.com/192.168.69.100
+address=/.apsema.com/192.168.69.100
+listen-address=192.168.69.100
+```
+
+Replace `192.168.69.100` with the server's IP address.
+
+Edit router's DHCP DNS settings to use 192.168.69.100 as the name server.