nagios+pnp4nagios出图

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首先下载

Apache 实现nagios监控通过web查看 Nagios

nagios监控程序

Nagios-plugins nagios监控插件

Pnp4nagios nagios监控插件

Nrpe nagios监控客户端

Rrdtool pnp4nagios生成图形工具

Nagios http://sourceforge.net/projects/nagios/files/nagios-3.x/nagios-3.2.1/nagios-3.2.1.tar.gz

Nagios-plugins http://prdownloads.sourceforge.net/sourceforge/nagiosplug/nagios-plugins-1.4.15.tar.gz Pnp4nagios http://sourceforge.net/projects/pnp4nagios/files/PNP-0.6/pnp4nagios-0.6.6.tar.gz/download

Nrpe http://prdownloads.sourceforge.net/sourceforge/nagios/nrpe-2.12.tar.gz

注释（以后可能会遇到一下相关包找不到等）：可能yum安装会有些问题找不到包，可添加yum源：如：rpmforge源和epel源

wget http://apt.sw.be/redhat/el6/en/x86_64/rpmforge/RPMS/rpmforge-release-0.5.2-2.el6.rf.x86_64.rpm

rpm -ivh http://dl.iuscommunity.org/pub/ius/stable/Redhat/6/x86_64/epel-release-6-5.noarch.rpm

php的一些扩展包找不到就需要添加这两个源：rpmforge-release-0.5.2-2.el6.rf.x86_64.rpm和上面的epel-release-6-5.noarch.rpm

如：php扩展mcrypt就需要epel源；而php的扩展bitset就需要用哦感到rpmforge源。。。

一，安装pnp4nagios

！！！此时安装pnp4nagios就用到了需要的epel源，如果没有epel源

请参考：1、安装epel
# cat /etc/issue
CentOS release 6.2 (Final)
Kernel \r on an \m
# rpm -ivh http://dl.iuscommunity.org/pub/ius/stable/Redhat/6/x86_64/epel-release-6-5.noarch.rpm 这里应该对应你服务器的版本

[root@master ~]#yum install pnp4nagios rrdtool

或者源码：安装:

在这之前安装rrdtool和pnp4nagios需要如下包：

yum install -y perl-devel perl-CPAN perl-Time-HiRes

#tar -zxvf pnp4nagios-*.tar.gz
#cd php4nagios-*
#./configure --prefix=/usr/local/pnpnagios --with-nagios-user=nagios --with-nagios-group=nagios （如果单独编译安装的rrdtoool，则使用--with-rrdtool=/usr/local/rrdtool-1.2.xx/bin/rrdtool这样的形式）

#make all
#make install
#make install-webconf
#make install-config
#make install-init

#make fullinstall

(使用这条命令替换所有的make命令， make fullinstall)

还需要：复制所有的pnp4nagios 目录下etc下的*.cfg.simple 复制为*.cfg

cd /usr/local/pnpnagios-*/etc/
88. mv misccommands.cfg-sample misccommands.cfg
89. mv nagios.cfg-sample nagios.cfg
90. mv rra.cfg-sample rra.cfg
91. cd pages/
92. mv web_traffic.cfg-sample web_traffic.cfg
93. cd ../check_commands/
94. mv check_all_local_disks.cfg-sample check_all_local_disks.cfg
95. mv check_nrpe.cfg-sample check_nrpe.cfg
96. mv check_nwstat.cfg-sample check_nwstat.cfg

本篇文章来源于 Linux公社网站(www.linuxidc.com) 原文链接：http://www.linuxidc.com/Linux/2012-07/66071.htm

二，配置nagios

1、修改nagios.cfg

[root@master ~]# vim /etc/nagios/nagios.cfg //修改以下内容
process_performance_data=1 //由0改为1
host_perfdata_command=process-host-perfdata //前面的注释拿掉
service_perfdata_command=process-service-perfdata //注释拿掉
enable_environment_macros=1 //如果有注释拿掉

2、修改commands.cfg

注释掉原有对process-host-perfdata和process-service-perfdata，重新定义：

[root@master ~]# vim /etc/nagios/objects/commands.cfg
define command {
command_name process-service-perfdata
command_line /usr/bin/perl /usr/libexec/pnp4nagios/process_perfdata.pl
}
define command {
command_name process-host-perfdata
command_line /usr/bin/perl /usr/libexec/pnp4nagios/process_perfdata.pl -d HOSTPERFDATA
}

3、修改配置文件templates.cfg

添加以下内容

[root@master ~]# vim /etc/nagios/objects/templates.cfg
define host {
name hosts-pnp
register 0
action_url /pnp4nagios/index.php/graph?host=$HOSTNAME$&srv=_HOST_
process_perf_data 1
}
define service {
name srv-pnp
register 0
action_url /pnp4nagios/index.php/graph?host=$HOSTNAME$&srv=$SERVICEDESC$
process_perf_data 1
}

4、修改服务器配置文件cisco_3650.cfg

[root@master ~]# vim /etc/nagios/objects/cisco_3650.cfg
###### define hosts ##########################
define host{
use generic-switch,hosts-pnp
host_name BJ3560G-48
address 172.16.1.1
contact_groups admins
}
##### define services ############
define service{
use generic-service,srv-pnp
host_name BJ3560G-48
service_description PING
check_command check_ping!200.0,20%!600.0,60%
contact_groups admins
}

三、配置apache

修改Apache的配置文件httpd.conf：

[root@master ~]# vim /usr/local/apache/conf/httpd.conf
在AddType application/x-gzip .gz .tgz下，添加下面的配置项：
AddType application/x-httpd-php .php
AddType application/x-httpd-php-source .phps
[root@master ~]# /etc/init.d/httpd restart 重启apache服务

可以直接拷贝下面到vim /etc/httpd/conf.d/pnp4nagios.conf

[root@lvs-save conf.d]# cat /etc/httpd/conf.d/pnp4nagios.conf

# SAMPLE CONFIG SNIPPETS FOR APACHE WEB SERVER

Alias /pnpnagios "/usr/local/pnpnagios/share"

AllowOverride None

Order allow,deny

Allow from all

# Use the same value as defined in nagios.conf

AuthName "Nagios Access"

AuthType Basic

AuthUserFile /usr/local/nagios/etc/htpasswd

Require valid-user

# Turn on URL rewriting

RewriteEngine On

Options FollowSymLinks

# Installation directory

RewriteBase /pnpnagios/

# Protect application and system files from being viewed

RewriteRule ^(application|modules|system) - [F,L]

# Allow any files or directories that exist to be displayed directly

RewriteCond %{REQUEST_FILENAME} !-f

RewriteCond %{REQUEST_FILENAME} !-d

# Rewrite all other URLs to index.php/URL

RewriteRule .* index.php/$0 [PT,L]

四、如果访问图不出提示：

The requested URL /pnp4nagios/index.php/graph was not found on this server.

那么可能是相关php包没安装：

方法：yum install php*

即可解解以上报错出图问题。

五、如果访问http://IP/pnpnagios需要提供认证而用nagios登录的也不行，那么就执行下一下在生成一个用户进行登录即可！

#htpasswd -c /usr/local/nagios/etc/htpasswd.users nagiosadmin 第一次使用htpasswd是用参数-c表示创建目录/usr/local/nagios/etc/htpasswd.users 用于存放用户nagiosadmin 信息！

htpasswd -m /usr/local/nagios/etc/htpasswd.users nagios 这个-m 参数表示在这个文件里面多加一个用户！

注意如果上面配置后在/usr/local/pnpnagios/var/perfdata/ 这么目录下有数据但是点击游览器访问出图数据时候报错说什么找不到主机图，那么一般是http配置问题！看看pnp4nagios和pnpnagios区别的别名问题！

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