安装nagios

 安装nagios

#安装所需要的软件包

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

#创建一个nagios的帐号并给定登录口令

useradd nagios

passwd nagios

#创建一个用户组：nagcmd,用于从web接口执行外部命令。将nagios用户和apache用户都添加到这个组中

groupadd nagcmd

usermod -G nagcmd nagios

usermod -G nagcmd apache

#下载Nagios

wget http://ncu.dl.sourceforge.net/project/nagios/nagios-4.x/nagios-4.1.1/nagios-4.1.1.tar.gz

tar -zxvf nagios-4.1.1.tar.gz

cd nagios-4.1.1.tar.gz

./configure --with-command-group=nagcmd

make all

  (安装 二进制运行程序、初始化脚本、配置文件样本、设置运行目录权限)

make install

make install-init

make install-config

make install-commandmode

#修改email地址

vi /usr/local/nagios/etc/objects/contacts.cfg

#配置web接口

  （安装nagios的web配置文件到apache的conf.d目录下）

make install-webconf

   (创建nagios web接口登录)

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

   (重启apache服务使设置生效)

service httpd start

#编译安装nagios插件

wget http://nagios-plugins.org/download/nagios-plugins-2.1.1.tar.gz

tar -zxvf nagios-plugins-2.1.1.tar.gz

./configure --with-nagios-user=nagios --with-nagios-group=nagios

make 

make install

#启动nagios（有报错请查看日志，逐一解决）

（编辑/usr/local/nagios/etc/nagios.cfg可设置查看日志路径log_file）

mkdir -p /usr/local/nagios/var/spool/checkresults

mkdir -p /usr/local/nagios/var/archives

chmod 777 -R /usr/local/nagios/var/

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

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

chkconfig --add nagios

chkconfig nagios on

service nagios start

#登录nagios(web接口)

http://localhost/nagios/