Nagios 监控平台快速安装
Nagios是一款开源的免费网络监视工具，能有效监控Windows、Linux和Unix的主机状态，交换机路由器等网络设置，打印机等。一、首先安装apache：
[*]安装apache，采用yum方式安装，安装的命令是yum install –y httpd
[*]安装完apache后，启动apache命令/etc/init.d/httpd restart 即可！
二、安装php：
[*]Nagios是基于php语音编写的程序，所以需要安装php，也采用yum方式安装
[*]Yum install php php-devel -y即可
三、下载nagios：
[*]现在nagios版本和客户端插件地址如下：
[*]wget http://sourceforge.net/projects/nagios/files/nagios-3.x/nagios-3.2.1/nagios-3.2.1.tar.gz/download
[*]wget http://sourceforge.net/projects/nagiosplug/files/nagiosplug/1.4.15/nagios-plugins-1.4.15.tar.gz/download
[*]wgethttp://jaist.dl.sourceforge.net/project/nagios/nrpe-2.x/nrpe-2.13/nrpe-2.13.tar.gz
[*]
[*]创建用户维护Nagios的用户和组
[*]useradd nagios
[*]passwd nagios
四、在服务器端，安装Nagios和nrpe、nagios插件：
[*]安装Nagios
[*]tar zxvf nagios-3.2.1.tar.gz
[*]cd nagios-3.2.1
[*]./configure --prefix=/usr/local/nagios --with-nagios-user=nagios --with-nagios-group=nagios
[*]make all
[*]make install //来安装主程序,CGI和HTML文件
[*]make install-init //在/etc/rc.d/init.d安装启动脚本
[*]make install-config //来安装示例配置文件,安装的路径是/usr/local/nagios/etc
[*]make install-commandmode//来配置目录权限
[*]make install-webconf 写入配置文件
[*]
[*]安装Nagios-plugins
[*]tar zxvf nagios-plugins-1.4.15.tar.gz
[*]cd nagios-plugins-1.4.15
[*]./configure --prefix=/usr/local/nagios --with-nagios-user=nagios --with-nagios-group=nagios
[*]make && make install
[*]安装nrpe
[*]tar -xzf nrpe-2.13.tar.gz && cd nrpe-2.13 &&./configure --enable-ssl --with-ssl-lib &&make all && make install-plugin && make install-daemon && make install-daemon-config
[*]chown-R nagios:nagios /usr/local/nagios/
[*]
[*]/usr/local/nagios/bin/nrpe -c /usr/local/nagios/etc/nrpe.cfg -d启动nrpe服务
五、创建web 访问用户：
[*]增加访问控制验证用户：（第一次创建时要加参数c）
[*]htpasswd -c /usr/local/nagios/etc/htpasswd.usersnagiosadmin
[*]
[*]nagios安装完毕，然后重启apache，重启nagios，/etc/init.d/nagios restart
[*]访问：http://localhost/nagios/ 即可！ 即可访问到nagios最初安装界面
六、在客户端安装nrpe、nagios-plugin：
[*]首先下载nagios-plugins-1.4.15.tar.gz和nrpe-2.13.tar.gz，
[*]
[*]执行如下脚本即可：
[*]#!/bin/sh
[*]###auto make install nagios_plugin and nrpe
[*]useradd nagios
[*]tar -xzf nagios-plugins-1.4.15.tar.gz &&cd nagios-plugins-1.4.15 &&./configure --prefix=/usr/local/nagios &&make &&make install
[*]
[*]sleep 2
[*]
[*]echo "This is make install nrpe ,please waiting .................."
[*]cd ../ ; tar -xzf nrpe-2.13.tar.gz && cd nrpe-2.13 &&./configure --enable-ssl --with-ssl-lib &&make all && make install-plugin && make install-daemon && make install-daemon-config
[*]
[*]chown-R nagios:nagios /usr/local/nagios/
[*]cd .. ;cp nrpe.cfg /usr/local/nagios/etc/nrpe.cfg
[*]
[*]/usr/local/nagios/bin/nrpe -c /usr/local/nagios/etc/nrpe.cfg -d
[*]
[*]###Add auto start
[*]grep "nrpe" /etc/rc.local
[*]
[*]if [ $? -ne 0 ];then
[*]echo "/usr/local/nagios/bin/nrpe -c /usr/local/nagios/etc/nrpe.cfg -d" >>/etc/rc.local
[*]else
[*]echo "nrpe is exist"
[*]fi
[*]保存即可！
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