Nagios安装

一.安装必要组件

yum -y install httpd gcc glibc glibc-common gd gd-devel php php-mysql mysql-devel mysql-server

二.创建Nagios所必要的用户组

groupadd nagcmd
useradd -G nagcmd nagios
passwd nagios
usermod -G nagcmd apache
tail -3 /etc/group

mysql:x:27:

nagcmd:x:500:nagios,apache

nagios:x:501:

三.下载安装nagios

1.下载主程序

wget http://prdownloads.sourceforge.net/sourceforge/nagios/nagios-4.0.0beta4.tar.gz

2.下载插件

wget http://prdownloads.sourceforge.net/sourceforge/nagiosplug/nagios-plugins-1.4.16.tar.gz

3.编译安装Nagios

tar zxfv nagios-4.0.0beta4.tar.gz
cd nagios
./configure --with-command-group=nagcmd --enable-event-broker
make all
make install
make install-init
make install-commandmode
make install-config

4.在httpd的配置文件目录中创建Nagios的web程序配置文件

make install-webconf

5.创建一个登陆nagios web程序的用户

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

New password:

Re-type new password:

Adding password for user nagiosadmin

6.启动httpd

service httpd start

四.编译安装nagios-plugins

tar zxfv nagios-plugins-1.4.16.tar.gz
cd nagios-plugins-1.4.16
./configure --with-nagios-user=nagios --with-nagios-group=nagios
make
make install

五.配置并启动

1.把nagios添加为系统服务

chkconfig --add nagios
chkconfig nagios on

2.检查配置文件是否正确

ln -s /usr/local/nagios/bin/* /usr/local/sbin/
nagios -v  /usr/local/nagios/etc/nagios.cfg
service nagios start

nagios is stopped

Starting nagios:                                           [  OK  ]

六.配置SELinux跟iptables

setenforce 0
service iptables stop

iptables: Flushing firewall rules:                         [  OK  ]

iptables: Setting chains to policy ACCEPT: filter          [  OK  ]

iptables: Unloading modules:                               [  OK  ]

七.通过WEB界面查看nagios

http://your_nagios_ip/nagios

登陆用户名是nagiosadmin密码是前面第五步输入的，nagios安装完成！