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+# MaxScale Nagios plugins, for Nagios 3.5.1
+
+Massimiliano Pinto
+
+Last Updated: 12th March 2015
+
+## Document History
+
+<table>
+  <tr>
+    <td>Date</td>
+    <td>Change</td>
+    <td>Who</td>
+  </tr>
+  <tr>
+    <td>10th March 2015</td>
+    <td>Initial version</td>
+    <td>Massimiliano Pinto</td>
+  </tr>
+</table>
+
+# MaxScale Requirements
+
+MaxScale must be configured with 'maxscaled' protocol for the administration interface
+
+	[AdminInterface]
+	type=service
+	router=cli
+
+	[AdminListener]
+	type=listener
+	service=AdminInterface
+	protocol=maxscaled
+	port=6603
+
+## Prepare Nagios configuration files (assuming plugins are in /usr/lib64/nagios/plugins and Nagios configuration in /etc/nagios)
+
+	1) Copy ./nagios/plugins/check_maxscale_*.pl under /usr/lib64/nagios/plugins
+	2) Copy ./nagios/plugins/maxscale_commands.cfg and server1.cfg to /etc/nagios/objects/
+	3) Edit /etc/nagios/nagios.cfg
+
+and add (just after localhost.cfg or commnads.cfg)
+
+	cfg_file=/etc/nagios/objects/maxscale_commands.cfg
+	cfg_file=/etc/nagios/objects/server1.cfg
+
+### Please note:
+- modify server IP address in server1.cfg, pointing to MaxScale server
+- maxadmin executable must be in the nagios server
+- default AdminInterface port is 6603
+- default maxadmin executable path is /usr/local/skysql/maxscale/bin/maxadmin
+	It can be changed by -m option
+
+Example related to server1.cfg
+
+# Check MaxScale sessions, on the remote machine.
+define service{
+        use                             local-service         ; Name of service template to use
+        host_name                       server1
+        service_description             MaxScale_sessions
+        check_command                   check_maxscale_resource!6603!admin!skysql!sessions!/path_to/maxadmin
+        notifications_enabled           0
+        }
+
+	4) Restart Nagios
+
+
+# Nagios Plugin usage
+
+	./check_maxscale_threads.pl -h
+
+	MaxScale monitor checker plugin for Nagios
+
+	Usage: check_maxscale_threads.pl [-r <resource>] [-H <host>] [-P <port>] [-u <user>] [-p <pass>] [-m <maxadmin>] [-h]
+
+	Options:
+		-r <resource>	= threads
+		-h		= provide this usage message
+		-H <host>	= which host to connect to
+		-P <port>	= port to use
+		-u <user>	= username to connect as
+		-p <pass>	= password to use for <user> at <host>
+		-m <maxadmin>	= /path/to/maxadmin
+