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Mastering Zabbix (Second Edition)

Mastering Zabbix (Second Edition)

By : Andrea Dalle Vacche
3.6 (5)
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Mastering Zabbix (Second Edition)

Mastering Zabbix (Second Edition)

3.6 (5)
By: Andrea Dalle Vacche

Overview of this book

Nowadays monitoring systems play a crucial role in any IT environment. They are extensively used to not only measure your system’s performance, but also to forecast capacity issues. This is where Zabbix, one of the most popular monitoring solutions for networks and applications, comes into the picture. With an efficient monitoring system in place you’ll be able to foresee when your infrastructure runs under capacity and react accordingly. Due to the critical role a monitoring system plays, it is fundamental to implement it in the best way from its initial setup. This avoids misleading, confusing, or, even worse, false alarms which can disrupt an efficient and healthy IT department. This new edition will provide you with all the knowledge you need to make strategic and practical decisions about the Zabbix monitoring system. The setup you’ll do with this book will fit your environment and monitoring needs like a glove. You will be guided through the initial steps of choosing the correct size and configuration for your system, to what to monitor and how to implement your own custom monitoring component. Exporting and integrating your data with other systems is also covered. By the end of this book, you will have a tailor-made and well configured monitoring system and will understand with absolute clarity how crucial it is to your IT environment.
Table of Contents (12 chapters)
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11
Index

The user parameter


The simple thing to do is to avoid extensive resource usage by your script by placing the script on the agent side. Zabbix provides an alternative method, and the script should instead be on the server side and load the Zabbix server; it can be offloaded to the agent side with UserParameter.

UserParameter is defined on the agent configuration file. Once it is configured, it is treated in the same way as all the other Zabbix agent items by simply using the key specified in the parameter option. To define a user parameter, you need to add something similar to the following to the agent configuration file:

UserParameter=<key>,<shell command>

Here, key must be unique and the shell command represents the command to execute. The command can be specified here inline and doesn't need to be a script, as shown in the following example:

UserParameter=process.number, ps -e |wc -l

In this example, the process.number key will retrieve the total number of processes on your server...

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