nagios安装配置（一）：nagios

1. 在服务器上下载nagios、nagios-plugin、nrpe

wget http://nchc.dl.sourceforge.net/project/nagios/nagios-3.x/nagios-3.2.3/nagios-3.2.3.tar.gz -P /usr/local/src
wget http://nchc.dl.sourceforge.net/project/nagiosplug/nagiosplug/1.4.15/nagios-plugins-1.4.15.tar.gz -P /usr/local/src
wget http://nchc.dl.sourceforge.net/project/nagios/nrpe-2.x/nrpe-2.12/nrpe-2.12.tar.gz -P /usr/local/src

 2. 服务器安装必要的软件包

yum install httpd gcc glibc glibc-common gd gd-devel

3. 服务器添加必要的用户nagios、nagcmd

# 添加nagios用户和组
useradd -r nagios -M -s /bin/bash -d /usr/local/nagios
# 添加nagcmd用户和组
useradd -r nagcmd -M -s /sbin/nologin -d /usr/local/nagios
# 将nagios和apache添加到nagcmd组
usermod -G nagcmd -a nagios
usermod -G nagcmd -a nobody

注意：这里是将nobody用户添加到nagcmd中，nagios的Web运行在nginx下
 
4. 安装nagios

tar zxvf nagios-3.2.3.tar.gz
cd nagios-3.2.3
./configure –with-command-group=nagcmd –prefix=/usr/local/src
make all
make install
make install-init
make install-config
make install-commandmode

  5. 服务器添加nagios为service

chkconfig –add nagios
chekconfig nagios on

6. 服务器安装nagios-plugin

tar zxvf nagios-plugins-1.4.15.tar.gz
cd nagios-plugins-1.4.15
# –with-mysql指定mysql的路径，如果没有指定则可能不会生成check_mysql
./configure --with-nagios-user=nagios --with-nagios-group=nagios --with-mysql=/usr/local/mysql
make && make install

6. 配置登录Web用户名和密码

# 生成验证的文件并添加用户
htpasswd -c /usr/local/nagios/etc/htpasswd.users nagiosadmin password