Preface
The book is a practical guide to setting up Nagios 4, an open source network monitoring tool. It is a system that checks whether hosts and services are working properly and notifies users when problems occur. The book covers the installation and configuring of Nagios 4 on various operating systems, and it focuses on the Ubuntu Linux operating system.
The book takes the reader through all the steps of compiling Nagios from sources, installing, and configuring advanced features such as setting up redundant monitoring. It also mentions how to monitor various services such as e-mail, WWW, databases, and file sharing. The book describes what SNMP is and how it can be used to monitor various devices. It also gives the details of monitoring the ...
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