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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

Monitoring Zabbix SSH


The SSH monitoring functionality provided by Zabbix, since it's server-triggered and even agentless, is quite useful. This specific functionality is precious as it allows us to run remote commands on a device that doesn't support the Zabbix agent. This functionality is tailor-made for all the cases where, for support reasons, we can't install a Zabbix agent. Some practical cases are given as follows:

  • A third-party, vendor-specific appliance where you can't install software

  • A device that has a custom-made operating system or a closed operating system

Note

To be able to run SSH checks, Zabbix needs to be configured with SSH2 support; here, the minimum supported libssh2 is Version 1.0.0.

SSH checks support for two different kinds of authentication:

  • SSH with username and password

  • Key file based authentication

To use the username/password pair authentication, we don't need to do any special configuration; it is enough to have compiled Zabbix with the SSH2 support.

Configuring the...

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