小蘇的世界

Nagios

http://www.nagios.org/

Nagios is a powerful monitoring system that enables organizations to identify and resolve IT infrastructure problems before they affect critical business processes.

Nagios monitors your entire IT infrastructure to ensure systems, applications, services, and business processes are functioning properly. In the event of a failure, Nagios can alert technical staff of the problem, allowing them to begin remediation processes before outages affect business processes, end-users, or customers. With Nagios you'll never be left having to explain why a unseen infrastructure outage hurt your organization's bottom line.

What Nagios Provides

 By using Nagios, you can:

• Plan for infrastructure upgrades before outdated systems cause failures
• Respond to issues at the first sign of a problem
• Automatically fix problems when they are detected
• Coordinate technical team responses
• Ensure your organization's SLAs are being met
• Ensure IT infrastructure outages have a minimal effect on your organization's bottom line
• Monitor your entire infrastructure and business processes

以上訊息來自nagios官網~大至上說明了nagios的功能

相關說明文件網站上提供的很完整，包含數種平台的QuickStart(快速安裝啟動)

http://support.nagios.com/knowledgebase

安裝流程大至上是這樣…

1.安裝nagios

2.設定nagios

3.在Apache中加入nagios

4.啟動Apache及nagios

相關路徑及說明：

■ /etc/nagios/. Configuration files
■ /usr/lib/nagios/plugins/. Plugins for checking hosts and services
■ /usr/lib/nagios/cgi/. CGI scripts for the web server
■ /var/log/nagios/. Log files of Nagios
■ /var/spool/nagios/. Spool file of Nagios
■ /etc/apache2/conf.d/ Configuration files of the web server
■ /usr/share/nagios/ Content files of the web server

如位置不同，請自行查找~

自己也來個QuickStart >.<

 環境：OS:openSuSE 11.1 32Bits

套件安裝

The base package of Nagios

#zypper install nagios

Plugins needed for Nagios checks

#zypper install nagios-plugins

A web server for Nagios

#zypper install nagios-www

找尋驗證使用者帳/密的檔案位置，並新增nagiosadmin使用者/密碼

#cat /etc/apache2/conf.d/nagios.conf | grep AuthUserFile

#htpasswd2 -c /etc/nagios/htpasswd.users nagiosadmin

啟動Apache，nagios並測試連入

#/etc/init.d/apache2 start

#/etc/init.d/nagios start

使用Browser連入http://localhost/nagios 輸入帳號/密碼

Finished >.<

相關詳細設定留到之後再寫~