Nagios+ PNP4nagios + rrdtool 监控平台建立

一、Nagios 安装

1，安装基础支持套件

yuninstall -y gcc glibc glibc-common gd gd-devel xinetd openssl-devel httpd php*

2，创建nagios用户和用户组

useradd-s /sbin/nologin nagios

mkdir/usr/local/nagios

chown-R nagios.nagios /usr/local/nagios

3，编译安装Nagios

wgethttp://prdownloads.sourceforge.net/sourceforge/nagios/nagios-3.5.0.tar.gz

tarzxvf nagios-3.5.0.tar.gz

cdnagios

./configure--prefix=/usr/local/nagios

makeall

makeinstall

makeinstall-init

makeinstall-config

makeinstall-commandmode

makeinstall-webconf

验证程序是否被正确安装

切换目录到安装路径（这里是/usr/local/nagios），看是否存在etc、bin、sbin、share、var 这五个目录，如果存在则可以表明程序被正确的安装到系统了。Nagios 各个目录用途说明如下：

binNagios 可执行程序所在目录

etc Nagios 配置文件所在目录

sbin NagiosCGI 文件所在目录，也就是执行外部命令所需文件所在的目录

share Nagios网页文件所在的目录

libexecNagios 外部插件所在目录

var Nagios 日志文件、lock 等文件所在的目录

var/archives Nagios 日志自动归档目录

var/rw 用来存放外部命令文件的目录

4，安装Nagios plugins

wgethttp://prdownloads.sourceforge.net/sourceforge/nagiosplug/nagios-plugins-2.0.2.tar.gz

tarzxvf nagios-plugins-2.0.2.tar.gz

cdnagios-plugins-2.0.2

./configure--prefix=/usr/local/nagios -with-nagios-user=nagios --with-nagios-group=nagios

make&& make install

5，安装NRPE

wgethttp://prdownloads.sourceforge.net/sourceforge/nagios/nrpe-2.15.tar.gz

tarzxvf nrpe-2.15.tar.gz

cdnrpe-2.15

./configure

makeall

makeinstall-plugin

makeinstall-daemon

makeinstall-daemon-config

6,创建nagios web登陆账号

htpasswd-c /usr/local/nagios/etc/htpasswd.users test

7,检查其主配置文件的语法是否正确：

/usr/local/nagios/bin/nagios-v /usr/local/nagios/etc/nagios.cfg

二、安装rrdtool+pnp4nagios

1，rrdtool 安装

yum-y installhttp://support.mathias-kettner.de/1.2.2b4/omd-1.2.2b4.dmmk-rh70-30.x86_64.rpm

yum-y install perl-rrdtool rrdtool

yuminstall libxml2 libxml2-devel

2，查看http配置

greprewrite /etc/httpd/conf/httpd.conf

LoadModulerewrite_module modules/mod_rewrite.so

3，下载安装pnp4nagios

wgethttp://cdnetworks-kr-1.dl.sourceforge.net/project/pnp4nagios/PNP-0.6/pnp4nagios-0.6.22.tar.gz

tarzxvf pnp4nagios-0.6.22.tar.gz

cdpnp4nagios-0.6.22

./configure--with-nagios-user=nagios --with-nagios-group=nagcmd

makeall

makeinstall

makeinstall-webconf

makeinstall-init

4，创建配置文件

cd/usr/local/pnp4nagios/etc

mvmisccommands.cfg-sample misccommands.cfg

mvnagios.cfg-sample nagios.cfg

mvnpcd.cfg-sample npcd.cfg

mvprocess_perfdata.cfg-sample process_perfdata.cfg

mvrra.cfg-sample rra.cfg

cdpages

mvweb_traffic.cfg-sample web_traffic.cfg

cd../check_commands

mvcheck_all_local_disks.cfg-sample check_all_local_disks.cfg

mvcheck_nrpe.cfg-sample check_nrpe.cfg

mvcheck_nwstat.cfg-sample check_nwstat.cfg

5，重启服务

/etc/init.d/npcdrestart

6，修改 nagios 的配置文件

cd/usr/local/nagios/etc

vimnagios.cfg

打开注视项：

process_performance_data=1

host_perfdata_command=process-host-perfdata

service_perfdata_command=process-service-perfdata

修改 commands.cfg

cd/usr/local/nagios/etc/objects

vimcommands.cfg

添加

'process-host-perfdata'command definition

definecommand{

command_name process-host-perfdata

command_line /usr/local/pnp4nagios/libexec/process_perfdata.pl

}

'process-service-perfdata'command definition

definecommand{

command_name process-service-perfdata

command_line /usr/local/pnp4nagios/libexec/process_perfdata.pl

}

添加小太阳模版

nagios$> vim templates.cfg

在最后添加

definehost {

name host-pnp

action_url/pnp4nagios/graph?host=$HOSTNAME$&srv

register 0

}

defineservice {

name srv-pnp

action_url/pnp4nagios/graph?host=$HOSTNAME$&srv=$SERVICEDESC$

register 0

}

7，修改 hosts.cfg 和 services.cfg

cd/usr/local/nagios/etc/

修改hosts.cfg

nagios$> vim hosts.cfg

definehost{

use linux-server,host-pnp

host_name test

alias test

address 192.168.1.111

}

#修改 services.cfg

defineservice{

use local-service,srv-pnp

host_name test

service_description PING

check_command check_ping!100.0,20%!500.0,60%

}

8，重启 nagios 服务

/etc/init.d/nagiosrestart