Nagios Core Overview Nagios Core 概況
More information about Nagios Core - including features and technical specifications can be found online at www.nagios.org/about/.
更多的關(guān)于Nagios Core信息包括特征和技術(shù)說明能夠到http://www.nagios.org/about/上在線獲取。
What Is Nagios Core? 什么是Nagios Core?
Nagios Core is an Open Source system and network monitoring application. It watches hosts and services that you specify, alerting you when things go bad and when they get better.
Nagios Core was originally designed to run under Linux, although it should work under most other unices as well.
Nagios Core 是一個(gè)開源的系統(tǒng)和網(wǎng)絡(luò)監(jiān)控應(yīng)用。它監(jiān)控你指定的主機(jī)和服務(wù)，當(dāng)有事情變壞或變好的時(shí)候給你發(fā)出通知。Nagios被設(shè)計(jì)運(yùn)行在Linux系統(tǒng)下面，通常它在多數(shù)類UNIX操作系統(tǒng)下也能工作得很好。
Some of the many features of Nagios Core include:
Nagios Core的一些特征：
Monitoring of network services (SMTP, POP3, HTTP, NNTP, PING, etc.)
監(jiān)控網(wǎng)絡(luò)服務(wù)
Monitoring of host resources (processor load, disk usage, etc.)
監(jiān)控主機(jī)資源
Simple plugin design that allows users to easily develop their own service checks
可以很容易的設(shè)計(jì)簡單的插件來檢查用戶自己的特定服務(wù)
Parallelized service checks
并行服務(wù)檢查
Ability to define network host hierarchy using "parent" hosts, allowing detection of and distinction between hosts that are down and those that are unreachable
通過“parent”host來定義不同層次的網(wǎng)絡(luò)主機(jī)，能夠很容易的監(jiān)測出主機(jī)宕機(jī)同主機(jī)不可達(dá)之間的區(qū)別。
Contact notifications when service or host problems occur and get resolved (via email, pager, or user-defined method)
當(dāng)服務(wù)或主機(jī)出問題或問題被解決的時(shí)候給聯(lián)系人發(fā)出通知 （電子郵件，短信，或自定義的通知方法）
Ability to define event handlers to be run during service or host events for proactive problem resolution
通過自定義事件句柄，在服務(wù)或主機(jī)事件發(fā)生期間提前解決問題
Automatic log file rotation
自動(dòng)日志文件循環(huán)
Support for implementing redundant monitoring hosts
支持冗余監(jiān)控主機(jī)的實(shí)現(xiàn)
Optional web interface for viewing current network status, notification and problem history, log file, etc.
可通過web監(jiān)控觀察當(dāng)前網(wǎng)絡(luò)狀態(tài)、通知和問題歷史，日志文件等
System Requirements 系統(tǒng)要求
The only requirement of running Nagios Core is a machine running Linux (or UNIX variant) that has network access and a C compiler installed (if installing from source code).
在Linux機(jī)器上運(yùn)行Nagios Core僅僅要求具備網(wǎng)絡(luò)訪問與安裝有C編譯器的條件。
You are not required to use the CGIs included with Nagios Core. However, if you do decide to use them, you will need to have the following software installed...
使用 CGI不是安裝Nagios Core 的必要條件，不過你如果需要使用它們，你必須安裝以下軟件：
A web server (preferrably Apache)。
一臺(tái)Web服務(wù)器
Thomas Boutell's gd library version 1.6.3 or higher (required by the statusmap and trends CGIs)。
gd 庫，版本為1.6.3或更高。
Licensing
Nagios Core is licensed under the terms of the GNU General Public License Version 2 as published by the Free Software Foundation. This gives you legal permission to copy, distribute and/or modify Nagios under certain conditions. Read the 'LICENSE' file in the Nagios distribution or read the online version of the license for more details.
Nagios Core 使用自由軟件基金會(huì)公布的GNU General Public License Version 2 許可，在特定條件下你可以合法進(jìn)行復(fù)制，分發(fā)或修改 Nagios 。更多細(xì)節(jié)請(qǐng)閱讀Nagios的'LICENSE'文件。
Nagios Core is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE WARRANTY OF DESIGN, MERCHANTABILITY, AND FITNESS FOR A PARTICULAR PURPOSE.
Nagios Core不提供任何形式的擔(dān)保與保證。
Acknowledgements 致謝
Several people have contributed to Nagios Core by either reporting bugs, suggesting improvements, writing plugins, etc. A list of some of the many contributors to the development of Nagios Core can be found in the THANKS file in the root of the Nagios Core distribution.
少數(shù)人為Nagios Core捐獻(xiàn)，同時(shí)報(bào)告bugs，建議，編寫插件等等。在THANKS文件中可以找到為Nagios Core開發(fā)做出過貢獻(xiàn)的人。
Downloading The Latest Version 下載最新版本
You can check for new versions of Nagios Core at https://www.nagios.org/download.
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