Red Hat ENTERPRISE LINUX 5.4 - SYSTEMTAP BEGINNERS GUIDE Technické informace Strana 65

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Monitoring with Nagios 51
Monitoring with Nagios
3
Nagios is a stable, scalable and extensible enterprise-class network and system moni-
toring tool which allows administrators to monitor network and host resources such as
HTTP, SMTP, POP3, disk usage and processor load. Originally Nagios was designed
to run under Linux, but it can also be used on several UNIX operating systems. This
chapter covers the installation and parts of the configuration of Nagios (http://
www.nagios.org/).
3.1 Features of Nagios
The most important features of Nagios are:
Monitoring of network services (SMTP, POP3, HTTP, NNTP, etc.).
Monitoring of host resources (processor load, disk usage, etc.).
Simple plug-in design that allows administrators to develop further service checks.
Support for redundant Nagios servers.
3.2 Installing Nagios
Install Nagios either with zypper or using YaST.
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