1、添加用戶
useradd nagios -s /sbin/nologin
2、下載並安裝監控插件
nagios-plungins-1.4.16.tar.gz 、nrpe-2.13.tar.gz
安裝步驟：
tar zxvf nagios-plungins-1.4.16.tar.gz ----解壓
cd /nagios-plungins-1.4.16
./configure
make && make install
tar zxvf nrpe-2.13.tar.gz
cd /nrpe-2.13.tar
make && make install
3、配置
Mkdir /usr/local/nagios/etc
Cp /nrpe.cfg /usr/local/nagios/etc/
Cp init-script /etc/init.d/nrpe
Chmod +x /etc/init.d/nrpe
Vi /usr/local/nagios/etc/nrpe.cfg
修改 allowed_hosts=127.0.0.1 ,X.X.X.X
Service nrpe start
Chkconfig nrpe on