group dependent DNS entries

Doc/Sdi/Apache/apache.xml

@@ -214,10 +214,17 @@
 
       <orderedlist>
         <listitem>
-          <para>Access your web server by a browser client and read the
-          server's root page which contains useful information regarding
-          <productname>Apache</productname> integration into
-          <orgname>Ubuntu</orgname>.</para>
+          <para>Create a <xref linkend="glo_DNS"/> entry
+          <uri>www.g{...}.sdi.mi.hdm-stuttgart.de</uri> in your SDI related
+          <code>nssdi.mi.hdm-stuttgart.de</code> <xref linkend="glo_DNS"/>
+          server's group.</para>
+        </listitem>
+
+        <listitem>
+          <para>Access <uri>https://www.g{...}.sdi.mi.hdm-stuttgart.de</uri>
+          by a browser client and read the server's root page which contains
+          useful information regarding <productname>Apache</productname>
+          integration into <orgname>Ubuntu</orgname>.</para>
         </listitem>
 
         <listitem>
@@ -262,30 +269,25 @@
       <title>Virtual hosts</title>
 
       <para>Your Apache installation currently serves at least
-      <uri>http://sdi....mi.hdm-stuttgart.de/xy123</uri> and
-      <uri>http://sdi....mi.hdm-stuttgart.de/manual</uri>. Move these to
-      virtual host definitions by:</para>
+      <uri>http://www.g{...}.sdi.mi.hdm-stuttgart.de/xy123</uri> and
+      <uri>http://www.g{...}.sdi.mi.hdm-stuttgart.de/manual</uri>. Move both
+      of these to virtual host definitions by:</para>
 
       <orderedlist>
         <listitem>
-          <para>Define two <xref linkend="glo_DNS"/> aliases
-          <quote>xy123</quote> and <quote>manual</quote> for your virtual
-          machine. Configure your client machine to use your (private)
-          nameserver.</para>
-
-          <tip>
-            <para>On a Linux system this typically requires root privileges to
-            alter the <filename>/etc/resolv.conf</filename> file.</para>
-          </tip>
+          <para>Define two more <xref linkend="glo_DNS"/> aliases
+          <quote>xy123.g{...}.sdi.mi.hdm-stuttgart.de</quote> and
+          <quote>manual.g{...}.sdi.mi.hdm-stuttgart.de</quote> related to your
+          web server.</para>
         </listitem>
 
         <listitem>
           <para>Supply two <link
           xlink:href="https://httpd.apache.org/docs/2.4/vhosts">virtual host
           directives</link> enabling
-          <uri>http://xy123.mi.hdm-stuttgart.de</uri> and
-          <uri>http://manual.mi.hdm-stuttgart.de</uri> to serve your
-          documents.</para>
+          <uri>http://xy123.g{...}.sdi.mi.hdm-stuttgart.de</uri> and
+          <uri>http://manual.g{...}.sdi.mi.hdm-stuttgart.de</uri> to serve
+          your documents.</para>
 
           <tip>
             <para>Follow the <productname>Apache</productname> manual's