nagios-4.4.1安装（官方文档）

官方文档地址：Nagios Docs

一、基础环境的准备

1、关闭selinux

sed -i 's/SELINUX=.*/SELINUX=disabled/g' /etc/selinux/config

setenforce 0

2、关闭防火墙

二、安装Nagios Core

1、需要安装的依赖

yum install -y gcc glibc glibc-common wget unzip httpd php gd gd-devel perl postfix

2、下载Nagios

cd /tmp

wget -O nagioscore.tar.gz https://github.com/NagiosEnterprises/nagioscore/archive/nagios-4.4.1.tar.gz

tar xzf nagioscore.tar.gz

3、编译

cd /tmp/nagioscore-nagios-4.4.1/

./configure

make all

4、创建用户和组（nagios）

make install-groups-users

usermod -a -G nagios apache

5、安装二进制文件

make install

6、安装系统的服务管理，centos6和centos7不同

>>>centos6

make install-daemoninit

chkconfig --level 2345 httpd on

>>>centos7

make install-daemoninit

systemctl enable httpd.service

7、安装command mode

make install-commandmode

8、安装配置文件

make install-config

9、安装apache配置文件

make install-webconf

10、创建nagios管理账户

htpasswd -c /usr/local/nagios/etc/htpasswd.users nagiosadmin

11、启动apache服务

>>>centos6

service httpd start

>>>centos7

systemctl start httpd.service

12、启动nagios服务

>>>centos6

service nagios start

>>>centos7

systemctl start nagios.service

13、访问nagios dashboard

http://192.168.56.7/nagios

正常打开需要验证nagios管理用户

用户：nagiosadmin

密码：第10步创建的密码

14、安装nagios plugin

yum install -y gcc glibc glibc-common make gettext automake autoconf wget openssl-devel net-snmp net-snmp-utils epel-release

yum install -y perl-Net-SNMP

cd /tmp

wget --no-check-certificate -O nagios-plugins.tar.gz https://github.com/nagios-plugins/nagios-plugins/archive/release-2.2.1.tar.gz

tar zxf nagios-plugins.tar.gz 

cd /tmp/nagios-plugins-release-2.2.1/

./tools/setup

./configure

make  && make install

接下来安装nrpe！