diff --git a/Doc/Sdi/icinga.xml b/Doc/Sdi/icinga.xml
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+<?xml version="1.0" encoding="UTF-8"?>
+<chapter version="5.1" xml:id="sdi_icinga2"
+         xmlns="http://docbook.org/ns/docbook"
+         xmlns:xlink="http://www.w3.org/1999/xlink"
+         xmlns:xila="http://www.w3.org/2001/XInclude/local-attributes"
+         xmlns:xi="http://www.w3.org/2001/XInclude"
+         xmlns:trans="http://docbook.org/ns/transclusion"
+         xmlns:svg="http://www.w3.org/2000/svg"
+         xmlns:m="http://www.w3.org/1998/Math/MathML"
+         xmlns:html="http://www.w3.org/1999/xhtml"
+         xmlns:db="http://docbook.org/ns/docbook">
+  <title>Icinga 2</title>
+
+  <itemizedlist>
+    <listitem>
+      <para><link
+      xlink:href="https://www.linode.com/docs/uptime/monitoring/install-icinga2-monitoring-on-debian-9">Install
+      Icinga 2 Monitoring on Debian 9</link></para>
+    </listitem>
+
+    <listitem>
+      <para><link
+      xlink:href="https://www.digitalocean.com/community/tutorials/how-to-install-icinga-and-icinga-web-on-ubuntu-16-04#step-2-%E2%80%93-installing-the-icinga-web-interface">Timezone
+      considerations</link>.</para>
+    </listitem>
+  </itemizedlist>
+</chapter>