Cacti+Nagios(三)：安装Nagios
1、添加用户
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[root@nagios ~]# groupadd nagcmd
[root@nagios ~]# useradd -G nagcmd nagios
[root@nagios ~]# usermod -a -G nagcmd apache
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2、安装nagios
官方下载地址：http://www.nagios.org/download/
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[root@nagios ~]# cd /home/nagios
[root@nagios nagios]# wget http://jaist.dl.sourceforge.net/project/nagios/nagios-4.x/nagios-4.0.7/nagios-4.0.7.tar.gz
[root@nagios nagios]# tar xzvf nagios-4.0.7.tar.gz
[root@nagios nagios]# cd nagios-4.0.7
[root@nagios nagios-4.0.7]# ./configure --with-command-group=nagcmd --enable-event-broker
[root@nagios nagios-4.0.7]#make all
[root@nagios nagios-4.0.7]#make install
[root@nagios nagios-4.0.7]#make install-init
[root@nagios nagios-4.0.7]#make install-config
[root@nagios nagios-4.0.7]#make install-commandmode
[root@nagios nagios-4.0.7]#make install-webconf
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设置登陆web界面时HTTP验证的账号密码
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[root@nagios nagios-4.0.7]#htpasswd -c /usr/local/nagios/etc/htpasswd.users nagiosadmin
[root@nagios nagios-4.0.7]#service httpd restart
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3、安装nagios-plugins
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[root@nagios nagios-4.0.7]#cd /home/nagios
[root@nagios nagios]# wget http://nagios-plugins.org/download/nagios-plugins-2.0.2.tar.gz
[root@nagios nagios]# tar xzvf nagios-plugins-2.0.2.tar.gz
[root@nagios nagios]# cd nagios-plugins-2.0.2
[root@nagios nagios-plugins-2.0.2]# ./configure --with-nagios-user=nagios --with-nagios-group=nagios --with-mysql
[root@nagios nagios-plugins-2.0.2]# make
[root@nagios nagios-plugins-2.0.2]# make install
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所有插件命令将被安装到/usr/local/nagios/libexec 目录下
4、其他设置
检查nagios的配置:
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[root@nagios ~]# /usr/local/nagios/bin/nagios -v /usr/local/nagios/etc/nagios.cfg
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添加自动动项:
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[root@nagios ~]# chkconfig --add nagios
[root@nagios ~]# chkconfig nagios on
[root@nagios ~]# service nagios start
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登陆页面:
http://localhost/nagios
账号nagiosadmin密码123456
5、遇到的问题
点击页面左侧的MAP和History报错：
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The requested URL /nagios/sbin/statusmap.cgi was not found on this server.
The requested URL /nagios/sbin/histogram.cgi was not found on this server.
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原因一：因为gd-devel php-gd没有安装的问题，造成NAGIOS在编译时不生成这statusmap.cgi
原因二：nagios编译在前， gd-devel安装在后，造成不生成这statusmap.cgi
解决方法：yum安装gd-devel php-gd，再重新编译安装nagios
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