From c280d10ee7c2b84228dce7f1bb9b829499e0079d Mon Sep 17 00:00:00 2001
From: Martin Goik <goik@hdm-stuttgart.de>
Date: Thu, 11 Jun 2015 22:53:59 +0200
Subject: [PATCH] Nagios
---
Doc/Sdi/surveillance.xml | 85 ++++++++++++++++++++++++++++++++++++++++
Doc/lectures.xml | 1 +
2 files changed, 86 insertions(+)
create mode 100644 Doc/Sdi/surveillance.xml
diff --git a/Doc/Sdi/surveillance.xml b/Doc/Sdi/surveillance.xml
new file mode 100644
index 000000000..a3de0ad4f
--- /dev/null
+++ b/Doc/Sdi/surveillance.xml
@@ -0,0 +1,85 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<chapter version="5.0" xml:id="sdiSystemSurveillance"
+ xmlns="http://docbook.org/ns/docbook"
+ xmlns:xlink="http://www.w3.org/1999/xlink"
+ xmlns:xi="http://www.w3.org/2001/XInclude"
+ 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> Systems surveillance</title>
+
+ <section xml:id="sdiSectNagios">
+ <title>Working with <productname>Nagios</productname></title>
+
+ <orderedlist>
+ <listitem>
+ <para>Follow <link
+ xlink:href="https://help.ubuntu.com/lts/serverguide/nagios.html">https://help.ubuntu.com/lts/serverguide/nagios.html</link>
+ to install the <productname>Nagios</productname> server software.
+ Choose your <quote>second</quote> VM (the one not carrying <xref
+ linkend="glo_LDAP"/>, <productname>Apache</productname>,
+ <productname>Mysql</productname> and other services).</para>
+
+ <para>The idea is using this second VM guarding the first VM.</para>
+ </listitem>
+
+ <listitem>
+ <para>Check your installation's web interface
+ https://sdiXY.mi.hdm-stuttgart.de/nagios3. The <quote>Tactical
+ Overview</quote> is yet supposed to be empty.</para>
+ </listitem>
+
+ <listitem>
+ <para>The <productname>Nagios</productname> configuration files reside
+ both in and below of <filename>/etc/nagios3</filename>. Modify
+ <filename>/etc/nagios3/conf.d/contacts_nagios2.cfg</filename>
+ replacing contact <code>root</code> by yourself including a valid
+ E-Mail. <link
+ xlink:href="http://nagios.sourceforge.net/docs/nagioscore/3/en/objectdefinitions.html#contact">Contact
+ Definition</link> and <link
+ xlink:href="http://nagios.sourceforge.net/docs/nagioscore/3/en/objectdefinitions.html#contactgroup">Contact
+ Group Definition</link> are your friends!</para>
+ </listitem>
+
+ <listitem>
+ <para>Configure your first VM as a host to be monitored according to
+ <link
+ xlink:href="http://nagios.sourceforge.net/docs/nagioscore/3/en/objectdefinitions.html#host">Host
+ Definition</link>.</para>
+
+ <para>You may want to choose low values for
+ <option>check_interval</option>, <option>retry_interval</option>, and
+ <option>notification_interval</option> in order to effect frequent
+ updates and notifications.</para>
+ </listitem>
+
+ <listitem>
+ <para>Configure a service testing for <xref linkend="glo_HTTP"/>
+ reachability. Then shut down your Apache Process and consult your
+ <quote>tactical overview</quote>.</para>
+ </listitem>
+
+ <listitem>
+ <para>Configure service testing for <xref linkend="glo_LDAP"/> based
+ authenticated <code>https</code> access. </para>
+ </listitem>
+
+ <listitem>
+ <para>Check the remote <xref linkend="glo_HTTP"/> service by using a
+ <productname
+ xlink:href="http://nagios.sourceforge.net/docs/nagioscore/3/en/addons.html#nrpe">Nrpe</productname>
+ plugin.</para>
+ </listitem>
+
+ <listitem>
+ <para>Authentication will not work when the host's <xref
+ linkend="glo_LDAP"/> server is down. So checking for authentication
+ should be deferred if <xref linkend="glo_LDAP"/> is not available.
+ Configure an appropriate <link
+ xlink:href="http://nagios.sourceforge.net/docs/nagioscore/3/en/dependencies.html"><productname>Nagios</productname>
+ dependency</link>.</para>
+ </listitem>
+ </orderedlist>
+ </section>
+</chapter>
diff --git a/Doc/lectures.xml b/Doc/lectures.xml
index 7462bc260..d4715f049 100644
--- a/Doc/lectures.xml
+++ b/Doc/lectures.xml
@@ -105,6 +105,7 @@
<xi:include href="Sdi/apache.xml" xpointer="element(/1)"/>
<xi:include href="Sdi/samba.xml" xpointer="element(/1)"/>
+ <xi:include href="Sdi/surveillance.xml" xpointer="element(/1)"/>
</part>
<xi:include href="Common/bibliography.xml" xpointer="element(/1)"/>
--
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