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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

Discovering hosts


A third way to link templates to hosts is to let the server do it automatically by combining Zabbix's host-discovery facility with discovery actions.

Zabbix's discovery facilities consist of a set of rules that periodically scan the network to look for new hosts or disappearing ones according to predetermined conditions.

The three methods that Zabbix can use to check for new or disappeared hosts, given an IP range, are:

  • The availability of a Zabbix agent

  • The availability of an SNMP agent

  • Response to simple external checks (FTP, SSH, and so on)

  • These checks can also be combined, as illustrated in the following example:

As you can see, when enabled, this rule will check every hour in the IP range 192.168.1.1-255 for any server that:

  • Responds to an ICMP ping probe

  • Has a correctly configured Zabbix agent that will return a value when asked for the system.uname item

  • Has an SMTP listening port, which is usually associated with a mail server

As usual, with all things Zabbix, a discovery...

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