Nagios_快速配置
Nagios 快速配置1 所需软件包：
Apache
GCC compiler
GD development libraries
2 安装配置过程2.1 安装所需软件包： yum install httpd php
yum install gcc glibc glibc-common
yum install gd gd-devel
2.2 创建nagios用户 /usr/sbin/useradd -m nagios
passwd nagios
2.3 创建nagcmd用户组，并添加nagios和apache到这个用户组 /usr/sbin/groupadd nagcmd
/usr/sbin/usermod -a -G nagcmd nagios
/usr/sbin/usermod -a -G nagcmd apache
2.4 下载软件 wget http://ncu.dl.sourceforge.net/project/nagios/nagios-3.x/nagios-3.5.1/nagios-3.5.1.tar.gz
wget http://nagios-plugins.org/download/nagios-plugins-2.0.tar.gz
2.5 编译安装 tar xvf nagios-3.5.1.tar.gz
cd nagios
./configure --with-command-group=nagcmd
make all
make install
make install-init
make install-config
make install-commandmode
2.6 自定义配置，修改email地址 vim/usr/local/nagios/etc/objects/contacts.cfg
2.7 配置web 接口 #安装Nagio web 配置文件到Apacheconf.d 目录
make install-webconf
#创建用于登录的nagiosadmin账户
htpasswd -c/usr/local/nagios/etc/htpasswd.users nagiosadmin
#重启Apache使服务生效
service httpd restart
2.8 编译安装Nagios插件 #解压
tar xvf nagios-plugins-2.0.tar.gz
cd nagios-plugins-2.0
#配置
./configure --with-nagios-user=nagios--with-nagios-group=nagios
make && make install
2.9 启动Nagio #添加到开机启动项
chkconfig --add nagios
#设置开机自启动
chkconfig nagios on
#检测配置文件的语法
/usr/local/nagios/bin/nagios -v/usr/local/nagios/etc/nagios.cfg
#启动
service nagios start
2.10 登录到Web接口 #在浏览器中输入
http://localhost/nagios
#由于所用服务器没有图形界面，所以在Ubuntu查看时输入
http://10.10.54.111/nagios
3. 注意事项 A.关闭SELinux
B.设置好防火墙规则
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