Nagios监控服务器安装和部署

注：

本文档基于nagios+apache的模式，安装nagios时须预先编译安装apache，在此不进行apache编译安装的赘述。

一：配置apache

# vi /usr/local/apache/conf/extra/httpd-vhosts.conf
NameVirtualHost *:80
<VirtualHost *:80>
    ServerName  192.168.189.132
    DocumentRoot "/www"
    <Directory "/www">
    Order deny,allow
    Deny from all
    </Directory>
    #以下是apache上，nagios所需的配置信息：
    Scriptalias/nagios/cgi-bin  /usr/local/nagios/sbin
    <directory"/usr/local/nagios/sbin">
    Authtype basic
    Options execcgi
    Allowoverride none
    Order allow,deny
    Allow from all
    Authname "nagios access"
    Authuserfile /usr/local/nagios/etc/htpasswd
    Require valid-user
    </directory>
 
  Alias /nagios /usr/local/nagios/share
  <directory"/usr/local/nagios/share">
  Authtype basic
  Options none
  Allowoverride none
  Order allow,deny
  Allow from all
  Authname "nagios access"
  //配置nagios用户验证
  Authuserfile /usr/local/nagios/etc/htpasswd
  Require valid-user
  </directory>
</VirtualHost>

二：创建nagios用户与组

# useradd nagios
# groupadd nagios
# usermod –a –Gnagios nobody
# usermod –a –Gnagios nagios

二：下载nagios相关软件包，并编译安装及环境配置

# cd /usr/local/src
# wget http://prdownloads.sourceforge.net/sourceforge/nagios/nagios-3.4.1.tar.gz
# wget http://prdownloads.sourceforge.net/sourceforge/nagiosplug/nagios-plugins-1.4.16.tar.gz
# wget http://prdownloads.sourceforge.net/sourceforge/nagios/nrpe-2.13.tar.gz
# tar -zxvf nagios-3.4.1.tar.gz
# tar -zxvf nagios-plugins-1.4.16.tar.gz
# tar -zxvf nagios/nrpe-2.13.tar.gz

编译安装nagios

# cd nagios-3.4.1/
# ./configure --prefix=/usr/local/nagios --with-command-group=nagios
# make all
# make install
# make install-init
# make install-commandmode
# make install-config

编译安装nagios插件

# cd ../nagios-plugins-1.4.16

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

# make && make install

编译安装nrpe

# cd ../nrpe-2.13
# ./configure --prefix=/usr/local/nagios
# make all
# make install-plugin

设置nagios目录权限

# chown –R nagios:nagios /usr/local/nagios/

配置用户密码访问

# /usr/local/apache/bin/htpasswd -cm /usr/local/nagios/etc/htpasswd nagiosadmin
New password:
Re-type new password:
Adding password for usernagiosadmin

三：启用nagios，并访问测试

开启apache服务

# /usr/local/apache/bin/apachectl -k start

检测nagios配置文件语法是否正确

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

 若语法正确，则可以正常启动nagios

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

(也可使用系统服务方式启动：service nagios start)

页面访问测试

出现以上页面，说明nagios安装部署成功。后续需在服务中添加主机与服务，方能开始进行监控。

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