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  • Book Overview & Buying Mastering Zabbix (Second Edition)
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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

Implementing high availability on a web server

Now that you know all the software components in play, it's time to go deep into a web server HA configuration. This proposed design foresees Apache, bonded to a virtual IP address, on top of two nodes. In this design, the HTTPD or, better, Apache is on top of an active/passive cluster that is managed by Corosync/Pacemaker.

It is quite an easy task to provide a highly available configuration for the Zabbix GUI because the web application is well defined and does not produce or generate data or any kind of file on the web server. This allows you to have two nodes deployed on two different servers—if possible, on two distant locations—implementing a highly available fault-tolerant disaster-recovery setup. In this configuration, since the web content will be static, in the sense that it will not change (apart from the case of system upgrade), you don't need a filesystem replication between the two nodes. The only other component...

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