echo "cfg_file=/usr/local/nagios/etc/objects/hostA.cfg" >> /usr/local/nagios/etc/nagios.cfg

如果要再添加B机器方法炮制就可以了

hostA.cfg

define host{

use generic-server

host_name A

alias A

address A 的IP

}

define service{

use generic-service

host_name A

service_description load

check_command check_nrpe!check_load

#使用自定参数

#check_command check_nrpe!check_load!6.0,5.0,4.0!15.0,8.0,6.0

}

重启监控机nagios

service nagios reload

访问http://localhost/nagios就可以看到新增的机器了

如何修改nrpe端口

被监控机nrpe.cfg修改server_port为15666

server_port=15666

重启nrpe

监控机commands.cfg增加-p 15666

define command{

command_name check_nrpe

command_line $USER1$/check_nrpe -H $HOSTADDRESS$ -p 15666 -c $ARG1$ }

重启nagios就可以了

Connection refused or timed out

检查nrpe 端口

检查nrpe.cfg中allowed_hosts是否包含监控机ip地址

检查/etc/hosts.allow文件中监控机ip地址nrpe:192.168.1.91

检查iptables

开放5666端口

iptables -L

iptables -A RH-Firewall-1-INPUT -p tcp -m state --state NEW -m tcp --dport 5666 -j ACCEPT

#注意顺序

iptables -L

service iptables save

service iptables restart