Differences

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--- server_monitoring [2009/11/17 08:15] – created 172.26.0.166
+++ server_monitoring [2009/11/19 14:51] – 172.26.0.166
@@ Line 1: / Line 1: @@
 ===== Server Monitoring =====
   * [[#ganglia|Ganglia]] - Monitors cluster CPU, disk, network usage
-  * [[#monit|Monit]] - Monitors specific
+  * [[#monit|Monit]] - Monitors specific services
-  * [[#nagios|Nagios]] - Monitors services
+  * [[#nagios|Nagios]] - Monitors services services
 ===== Ganglia =====
@@ Line 65: / Line 65: @@
 Accessing monit:
 http://hpc.ilri.cgiar.org:2812
+===== Nagios =====
+Nagios is a powerful monitoring system that enables organizations to identify and resolve IT infrastructure problems before they affect critical business processes. http://www.nagios.org/about
+=== Installation ===
+----
+Download the latest version of nagios while hot, from http://www.nagios.org/download
+<file>$ wget http://prdownloads.sourceforge.net/sourceforge/nagios/nagios-3.2.0.tar.gz
+$ cd nagios-3.2.0
+$ ./configure
+$ make all
+$ useradd nagios
+$ make install
+$ make install-init
+$ make install-commandmode
+$ make install-config
+$ make install-webconf
+</file>
+=== Configuration ===
+----
+Running the following command will create a new file called htpasswd.users in the /usr/local/nagios/etc directory. It will also create an username/password entry for nagiosadmin. You will be asked to provide a password that will be used when nagiosadmin authenticates to the web server.
+<code>htpasswd -c /usr/local/nagios/etc/htpasswd.users nagiosadmin </code>
+Download and install plugins
+<file>
+$ wget http://prdownloads.sourceforge.net/sourceforge/nagiosplug/nagios-plugins-1.4.14.tar.gz
+$ tar xfz nagios-plugins-1.4.14.tar.gz
+$ cd nagios-plugins-1.4.14
+$ ./configure && make && make install
+</file>
+Edit the configuration files to add host and services to be monitored:
+<code>vim /usr/local/nagios/etc/objects/localhost.cfg </code>
+Check remote services http://wiki.nagios.org/index.php/Howtos:checkbyssh_RedHat
+=== Accessing Nagios ===
+----
+http://172.26.0.205:4020/nagios/
+with  username = "nagiosadmin" and password = "nagios"