add alternate Mac OS answer

FAQ.xml

@@ -17,7 +17,7 @@
  - PERFORMANCE OF THIS SOFTWARE.
 -->
 
-<!-- $Id: FAQ.xml,v 1.29 2007/11/01 21:55:53 marka Exp $ -->
+<!-- $Id: FAQ.xml,v 1.30 2007/11/02 00:25:41 marka Exp $ -->
 
 <article class="faq">
   <title>Frequently Asked Questions about BIND 9</title>
@@ -1378,6 +1378,29 @@ key "rndc-key" {
 	  This is persistent upon a reboot, so you will have to do it only once.
 	</para>
       </answer>
+
+      <answer>
+	<para>
+	 Alternatively you can just generate /etc/rndc.key by running:
+	</para>
+	<informalexample>
+	  <programlisting>
+% sudo rndc-confgen -a</programlisting>
+	</informalexample>
+	<para>
+	  Then start the relevant service:
+	</para>
+	<informalexample>
+	  <programlisting>
+% sudo service org.isc.named start</programlisting>
+	</informalexample>
+	<para>
+	  Named will look for /etc/rndc.key when it starts if it
+	  doesn't have a controls section or the existing controls are
+	  missing keys sub-clauses.  This is persistent upon a
+	  reboot, so you will have to do it only once.
+	</para>
+      </answer>
     </qandaentry>
 
     </qandadiv>