How to install and configure Nagios on different operating systems

Learning Nagios 3.0 is a comprehensive configurationNagios that will teach readers to use Nagios with its
guide to monitor and maintain your network andadvanced features. At the same time, readers who
systems. It is a practical guide to setting up the Nagioshave already used earlier versions of Nagios will also
3.0 open source network monitoring tool, installing andbenefit because they will learn about the new and
configuring Nagios 3 on various operating systems. Itadvanced features of Nagios 3. The focus is on
will help understand system monitoring and how Nagiosteaching system administrators to secure their
works and to install and configure Nagios to administersystems in a much improved manner incorporating the
your network and system. Nagios 3 is a system thatnewer features of Nagios.
watches to see whether hosts and services areIt will teach Nagios beginners the basics of installation
working properly, and notifies users when problemsand configuration of version 3; it will show professionals
occur. Nagios is a tool for system and networkwho have already worked on earlier versions of
monitoring. It constantly checks other machines andNagios the new features of Nagios like inheritance and
various services on those machines. The main purposealso the new internal functions like better check
of system monitoring is to detect and report anyscheduling.
system not working properly as soon asThe book will help learn, to notify users of current and
possible—so that you are aware of problems beforefuture incidents to protect the availability, performance,
a user runs into them. It is a modular and flexibleand security of monitored asset, to pass service and
solution that uses plug-ins to do its job.Nagios allowshost check results over the network using NSCA. One
both the monitoring of services on its own, and thewould also be able to set up a working and usable
receipt of information about computer and servicedistributed monitoring system using NSClient++ and
statuses from other applications.NC_Net and develop custom plug-ins responsible for
The book is a beginner-level book, which will introducedoing the checks and analyzing result. Remot checks
Nagios to System Administrators who are interested incan be done using SSH and NRPE.
monitoring their systems.  It is an introduction to