一、软件包
1. nagios-3.2.1.tar.gz
2. nagios-plugins-1.4.14.tar.gz
二、安装步骤
1. useradd –m nagios
2. groupadd nagcmd
3. usermod –a –G nagcmd nagios
4. usermod –a –G nagcmd apache
5. tar zxvf nagios-3.2.1.tar.gz
6. cd nagios-3.2.1
7. ./configure –prefix=/usr/local/nagios –with-command-group=nagcmd --with-httpd-conf=/usr/local/apache/conf
8. Make install
9. Make install-init
10. Make install-config
11. Make install-commandmode
12. Vi /usr/local/nagios/etc/objects/contacts.cfg修改email为你的EMAIL地址
13. Make install-webconf
14. Htpasswd –c /usr/local/nagios/etc/htpasswd.users nagiosadmin //增加nagiosadmin用户并设置密码
15. cd /usr/local/apache/conf
16. 拷贝nagios.conf中的内容到httpd.conf中，放在httpd.conf最后
17. Cd /var/local/software
3. Tar zxvf nagios-plugins-1.4.14.tar.gz//安装nagios插件
18. Cd nagios-plugins-1.4.14
19. ./configure --prefix=/usr/local/nagios-plus --with-nagios-user=nagios --with-nagios-group=nagios;
20. Make
21. Make install
22. Chkconfig –add nagios
23. Chkconfig nagios on
24. /usr/local/nagios/bin/nagios –v /usr/local/nagios/etc/nagios.cfg//测试nagios配置是否正确
25. Service nagios start/stop
26. Killall httpd
27. /usr/local/apache/bin/apachectl –k start
28. 访问http://localhost/nagios输入nagiosadmin密码 nagiosadmin设置的密码
29. 
三、Nagios配置
1. cfg_file=/usr/local/nagios/etc/contactgroups.cfg //联系组配置文件路径
cfg_file=/usr/local/nagios/etc/contacts.cfg //联系人配置文件路径
cfg_file=/usr/local/nagios/etc/hostgroups.cfg //主机组配置文件路径
cfg_file=/usr/local/nagios/etc/hosts.cfg //主机配置文件路径
cfg_file=/usr/local/nagios/etc/services.cfg //服务配置文件路径
cfg_file=/usr/local/nagios/etc/timeperiods.cfg //监视时段配置文件路径
中文版帮助手册：http://nagios-cn.sourceforge.net/nagios-cn/