Nagios 介绍
Nagios是一个监视系统运行状态和网络信息的监视系统。Nagios能监视所指定的本地或远程主机以及服务，同时提供异常通知功能等
Nagios可运行在Linux/Unix平台之上，同时提供一个可选的基于浏览器的WEB界面以方便系统管理人员查看网络状态，各种系统问题，以及日志等等。
Nagios 有一个 Windows 下的客户端： https://www.jb51.cc/baike/nsclientpp
Nagios的主要功能特点：
- 监视网络服务 (SMTP, POP3, HTTP, NNTP, PING等)
- 监视主机资源 (进程, 磁盘等)
- 简单的插件设计可以轻松扩展Nagios的监视功能
- 服务等监视的并发处理
- 错误通知功能 (通过email, pager, 或其他用户自定义方法)
- 可指定自定义的事件处理控制器
- 可选的基于浏览器的WEB界面以方便系统管理人员查看网络状态，各种系统问题，以及日志等等
- 可以通过手机查看系统监控信息
详细的屏幕截图请看这里： http://www.nagios.org/about/screenshots.php
| [](http://nagios.sourceforge.net/images/screens/new/home.png "Main Splash Screen") | [](http://nagios.sourceforge.net/images/screens/new/tactical- overview.png "Tactical Overview") | [](http://nagios.sourceforge.net/images/screens/new/service- detail.png "Service Status Detail") | [](http://nagios.sourceforge.net/images/screens/new/host- detail.png "Host Status Detail") |
| Main Splash Screen | Tactical Overview | Service Detail | Host Detail |
| [](http://nagios.sourceforge.net/images/screens/new/hostgroup- overview.png "Hostgroup Status Overview") | [](http://nagios.sourceforge.net/images/screens/new/hostgroup- summary.png "Hostgroup Status Summary") | [](http://nagios.sourceforge.net/images/screens/new/hostgroup- grid.png "Hostgroup Status Grid") | [](http://nagios.sourceforge.net/images/screens/new/service- problems.png "Service Problems Detail") |
| Hostgroup Overview | Hostgroup Summary | Hostgroup Grid | Service Problems |
| [](http://nagios.sourceforge.net/images/screens/new/statusmap- circular.png "Circular Status Map") | [](http://nagios.sourceforge.net/images/screens/new/statusmap- balloon.png "Balloon Status Map") | [](http://nagios.sourceforge.net/images/screens/new/statusmap- tree.png "Tree Status Map") | [](http://nagios.sourceforge.net/images/screens/new/comments.png "Comments") |
| Circular Status Map | Balloon Status Map | Tree Status Map | Comments |
| [](http://nagios.sourceforge.net/images/screens/new/downtime- base.png "Scheduled Downtime") | [](http://nagios.sourceforge.net/images/screens/new/downtime- create-host.png "Scheduling Host Downtime") | [](http://nagios.sourceforge.net/images/screens/new/downtime- create-service.png "Scheduling Service Downtime") | [](http://nagios.sourceforge.net/images/screens/new/process- info.png "Nagios Process Information") |
| Scheduled Downtime | Scheduling Host Downtime | Scheduling Service Downtime | Nagios Process Info |
| [](http://nagios.sourceforge.net/images/screens/new/performance- info.png "Nagios Performance Information") | [](http://nagios.sourceforge.net/images/screens/new/scheduling- queue.png "Scheduled Event Queue") | [](http://nagios.sourceforge.net/images/screens/new/alert- history.png "Alert History") | [](http://nagios.sourceforge.net/images/screens/new/notifications.png "Notification History") |
| Performance Info | Scheduled Event Queue | Alert History | Notification History |
| [](http://nagios.sourceforge.net/images/screens/new/event- log.png "Event Log") | [](http://nagios.sourceforge.net/images/screens/new/view- config.png "Configuration View") | [](http://nagios.sourceforge.net/images/screens/new/alert- summary-create.png "Alert Summary Menu") | [](http://nagios.sourceforge.net/images/screens/new/trends- create.png "Trends Menu") |
| Event Log | Configuration View | Alert Summary Menu | Trends Menu |
| [](http://nagios.sourceforge.net/images/screens/new/trends- host.png "Host State Trends") | [](http://nagios.sourceforge.net/images/screens/new/trends- service.png "Service State Trends") | [](http://nagios.sourceforge.net/images/screens/new/availability- hostgroups.png "Hostgroup Availibility Report") | [](http://nagios.sourceforge.net/images/screens/new/availability- services.png "Service Availibility Report") |
| Host State Trends | Service State Trends | Hostgroup Availibility Report | Service Availibility Report |
| [](http://nagios.sourceforge.net/images/screens/new/alert- histogram-service.png "Service Alert Histogram") | [](http://nagios.sourceforge.net/images/screens/new/alert- histogram-host.png "Host Alert Histogram") | [](http://nagios.sourceforge.net/images/screens/new/nagios- pnp.png "PNP Addon Graphs") | [](http://nagios.sourceforge.net/images/screens/big/statuswml.jpg "WAP Interface") |
Nagios 官网
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