Nagios 簡介與功能
圖-Nagios
Nagios是一個Linux/Unix操作系統(tǒng)下的監(jiān)視系統(tǒng)，為我們平臺的運行和網(wǎng)絡(luò)駕航！
Nagios is a 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 是一個在linux及unix環(huán)境下運行的監(jiān)控系統(tǒng)和網(wǎng)絡(luò)的應(yīng)用程序，它監(jiān)控您所指定的主機(jī)和服務(wù)，并在情況變得更糟或更好時提醒您注意。
Nagios was originally designed to run under Linux, although it should work under most other unices as well.
Nagios 最初被設(shè)計成運行在 Linux 上的，雖然它也能在大多數(shù)其它系統(tǒng)中也能同樣工作。
Some of the many features of Nagios include:
Nagios 包括以下一些功能：
Monitoring of network services (SMTP, POP3, HTTP, NNTP, PING, etc.)
監(jiān)控網(wǎng)絡(luò)服務(wù) (SMTP、POP3、HTTP、NNTP、PING 等)
Monitoring of host resources (processor load, disk usage, etc.)
監(jiān)控主機(jī)資源(處理器負(fù)載、磁盤使用情況等)
Simple plugin design that allows users to easily develop their own service checks
簡單的插件設(shè)計允許用戶可以很簡易地開發(fā)它們自己的服務(wù)檢查
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
可以通過 "parent" 來定義網(wǎng)絡(luò)主機(jī)的繼承，可以檢測和區(qū)分主機(jī)的當(dāng)機(jī)狀態(tài)和不可達(dá)狀態(tài)
Contact notifications when service or host problems occur and get resolved (via email, pager, or user-defined method)
在服務(wù)或主機(jī)產(chǎn)生問題和修復(fù)時獲得通知(通過郵件、頁面或用戶定制的方式)
Ability to define event handlers to be run during service or host events for proactive problem resolution
可以在服務(wù)和主機(jī)事件運行期間定義事件處理器，以便主動解決問題。
Automatic log file rotation
日志文件自動循環(huán)
Support for implementing redundant monitoring hosts
支持冗馀監(jiān)控主機(jī)的實現(xiàn)
Optional web interface for viewing current network status, notification and problem history, log file, etc.
可選的 Web 界面，該界面用于查看當(dāng)前網(wǎng)絡(luò)狀態(tài)、通知和問題列表、日志文件等
通過文章，我們對Nagios有了一個間接的了解，想進(jìn)一步了解的話，那就得實際操作下！
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