diff --git a/Doc/Sdi/icinga.xml b/Doc/Sdi/icinga.xml
index 4922d0f6cf1df9c0550dccde4f554d56481dc0c9..e5b64cfc0a1dcf67804bc45915d457090bd94512 100644
--- a/Doc/Sdi/icinga.xml
+++ b/Doc/Sdi/icinga.xml
@@ -131,13 +131,38 @@
         <command>aptitude</command> <option>install</option>
         <option>nagios-plugins</option>.</para>
       </listitem>
+
+      <listitem>
+        <para>Configure a http(s) check of your web server. After successful
+        configuration shut down the apache2 service and wait for error
+        messeges to emerge.</para>
+      </listitem>
+
+      <listitem>
+        <para>Check your local <productname>Ldap</productname> server.</para>
+      </listitem>
     </orderedlist>
   </section>
 
   <section xml:id="sdi_icinga_sect_snmp">
     <title><xref linkend="glo_SNMP"/> based checks</title>
 
-    <para/>
+    <para>Use the <link
+    xlink:href="http://nagios.manubulon.com/snmp_storage.html">Snmp storage
+    check</link> plugin to check your root (/) file system allocation.
+    Configure lower thresholds to achieve a warning message.</para>
+
+    <para>This requires <command
+    xlink:href="https://linux.die.net/man/8/snmpd">snmpd</command>
+    configuration on your monitored server side:</para>
+
+    <screen>apt-get install snmpd</screen>
+
+    <para>File /etc/snmp/snmpd.conf might contain:</para>
+
+    <programlisting language="none">rocommunity mi-snmp
+
+includeAllDisks</programlisting>
   </section>
 
   <section xml:id="sdi_icinga2_checkBySsh">
@@ -283,7 +308,7 @@ sdi10b&gt; cp id_rsa.pub authorized_keys</screen>
         <filename>/home/nagioscheck/.ssh/id_rsa</filename> private key to
         <filename>/etc/icinga2/nagioscheck_id_rsa</filename>. Since the
         <productname>Icinga</productname> process running with the nagios user
-        is requires read access we change the ownnership accordingly: </para>
+        is requires read access we change the ownnership accordingly:</para>
 
         <screen>chown nagios.nagios nagioscheck_id_rsa</screen>
       </listitem>