nagios详细安装配置
接着昨天lamp安装成功后，我们开始安装nagios详细安装如下：
nagios安装
1、安装nagios
[*]groupadd nagcmd
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[*]useradd -d /home/nagios -s /sbin/nologin -G nagcmd nagios
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[*]./configure --prefix=/usr/local/nagios --with-nagios-user=nagios --with-nagios-group=nagcmd
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[*]make all
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[*]make install
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[*]make install-init
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[*]make install-config
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[*]make install-commandmode
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[*]make install-webconf
编辑apache配置文件
vim /usr/local/apache/conf/httpd.conf
最后面添加：
[*]ScriptAlias /nagios/cgi-bin /usr/local/nagios/sbin
[*]
[*]Options ExecCGI
[*]AllowOverride None
[*]Order allow,deny
[*]Allow from all
[*]AuthName "Nagios Access"
[*]AuthType Basic
[*]AuthUserFile /usr/local/nagios/etc/htpasswd
[*]Require valid-user
[*]AddHandler cgi-script cgi pl
[*]AddDefaultCharset utf-8
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[*]Alias /nagios /usr/local/nagios/share
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[*]Options None
[*]AllowOverride None
[*]Order allow,deny
[*]Allow from all
[*]AuthName "Nagios Access"
[*]AuthType Basic
[*]AuthUserFile /usr/local/nagios/etc/htpasswd
[*]Require valid-user
[*]
保存退出。
创建apache目录验证文件
/usr/local/apache/bin/htpasswd -c /usr/local/nagios/etc/htpasswd admin
有了第一个用户后，后面再添加用户，不要加-C，否则会覆盖已存在的用户。
重启apache
/usr/local/apache/bin/apachectl restart
添加nagios开机启动
chkconfig --add nagios
chkconfig nagios on
安装nagios-plugins
[*]tar xvzf nagios-plugins-1.4.14.tar.gz
[*]./configure
[*]make && make install
安装nrpe
[*]tar xvzf nrpe-1.8.tar.gz
[*]./configure
[*]make all
修改cgi的配置文件：
vim /usr/local/nagios/etc/cgi.cfg
＃是否开启验证，1是开启0是关闭
use_authentication=1
＃修改默认用户
[*]default_user_name=admin
[*]authorized_for_system_information=nagiosadmin,admin
[*]authorized_for_configuration_information=nagiosadmin,admin
[*]authorized_for_system_commands=admin
[*]authorized_for_all_services=nagiosadmin,admin
[*]authorized_for_all_hosts=nagiosadmin,admin
[*]authorized_for_all_service_commands=nagiosadmin,admin
[*]authorized_for_all_host_commands=nagiosadmin,admin
修改nagios的主配置文件nagios.cfg
＃添加或修改下面的配置
[*]log_file=/usr/local/nagios/var/nagios.log #日志文件
[*]cfg_file=/usr/local/nagios/etc/objects/commands.cfg ＃ 命令的配置文件路径
[*]cfg_file=/usr/local/nagios/etc/objects/contacts.cfg ＃ 联系人配置文件路径
[*]cfg_file=/usr/local/nagios/etc/objects/contactgroups.cfg＃ 联系组配置文件路径
[*]cfg_file=/usr/local/nagios/etc/objects/timeperiods.cfg ＃ 监视时段配置文件路径
[*]cfg_file=/usr/local/nagios/etc/objects/templates.cfg ＃ 模板的配置文件路径
[*]cfg_file=/usr/local/nagios/etc/objects/escalations.cfg
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[*]cfg_file=/usr/local/nagios/etc/objects/hosts.cfg ＃ 主机配置文件路径
[*]cfg_file=/usr/local/nagios/etc/objects/hostgroups.cfg ＃ 主机组配置文件路径
[*]cfg_file=/usr/local/nagios/etc/objects/services.cfg ＃ 服务配置文件路径
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[*]cfg_file=/usr/local/nagios/etc/objects/localhost.cfg
[*]cfg_file=/usr/local/nagios/etc/objects/windows.cfg #windows 服务器监控
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[*]#此段自己随便起名
[*]cfg_dir=/usr/local/nagios/etc/servers/squid
[*]cfg_dir=/usr/local/nagios/etc/servers/iis
[*]cfg_dir=/usr/local/nagios/etc/servers/sql
[*]cfg_dir=/usr/local/nagios/etc/servers/tomcat
[*]cfg_dir=/usr/local/nagios/etc/servers/guoke
[*]cfg_dir=/usr/local/nagios/etc/servers/cdn
保存退出
其余的配置项个人因具体情况而定。
至此，重新加载nagios配置文件
service nagios reload
在浏览器中打开：
http://ip地址/nagios
提示输入账户，密码后，看到nagios的页面则表示安装成功。
此处切记nagios版本号，我初次安装时使用nagios-cn.3.2.3版本，但是后来远程管理功能无法使用，多方检查，权限等都是好的，咋试都不行，后来重新编译安装3.2.0，反而一装就好，最后确认为版本问题。
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