Nagios 安装
一 ，准备工作，最小化安装系统
系统版本 centos 5.4
http://www.verycd.com/topics/2776496/
nagios-3.2.3.tar
http://prdownloads.sourceforge.net/sourceforge/nagios/nagios-3.2.3.tar.gz
nagios-plugins-1.4.15.tar
http://prdownloads.sourceforge.net/sourceforge/nagiosplug/nagios-plugins-1.4.15.tar.gz
nagios-cn-3.2.3(汉化包)
http://sourceforge.net/projects/nagios-cn/files/latest/download?source=files
[root@nagios ~]# uname -a
Linux nagios 2.6.18-164.el5 #1 SMP Thu Sep 3 03:33:56 EDT 2009 i686 athlon i386 GNU/Linux
确保联网正常
[root@nagios ~]# ping www.baidu.com
PING www.a.shifen.com (61.135.169.105) 56(84) bytes of data.
64 bytes from 61.135.169.105: icmp_seq=1 ttl=55 time=19.0 ms
--- www.a.shifen.com ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 19.087/19.087/19.087/0.000 ms
[root@nagios ~]#
虚拟机sendmail 启动会很慢
[root@nagios ~]# cd /etc/mail
[root@nagios mail]# touch *
二 关闭不需要的服务
chkconfig --level 2345 cups off
chkconfig --level 2345 ip6tables off
chkconfig --level 2345 iptables off
chkconfig --level 2345 netfs off
chkconfig --level 2345 nfslock off
chkconfig --level 2345 portmap off
chkconfig --level 2345 rhnsd off
chkconfig --level 2345 rpcsvcgssd off
chkconfig --level 2345 rpcidmapd off
chkconfig --level 2345 smartd off
chkconfig --level 2345 xfs off
chkconfig --level 2345 bluetooth off
chkconfig --level 2345 hidd off
chkconfig --level 2345 pand off
chkconfig --level 2345 dund off
chkconfig --level 2345 capi off
chkconfig --level 2345 firstboot off
chkconfig --level 2345 kudzu off
chkconfig --level 2345 mcstrans off
chkconfig --level 2345 pcscd off
chkconfig --level 2345 restorecond off
chkconfig --level 2345 rpcgssd off
三安装必要的软件包
#yum install –y httpd
#yum install –y gcc
#yum install –y glibc glibc-common
#yum install –y gd gd-devel
#yum install mysql mysql-server mysql-devel
#yum install php
###nagios3.2.0 以后的版本必须安装php，nagios 页面访问才正常
#/usr/sbin/useradd -m nagios 添加一个名为nagios 的用户用以专门跑nagios
#passwd nagios 设置密码
#/usr/sbin/groupadd nagcmd 添加nagcmd 用户组，用以通过web 页面提交外部控制命令
#/usr/sbin/usermod -a -G nagcmd nagios 将nagios 用户加入nagcmd 组
#/usr/sbin/usermod -a -G nagcmd apache 将apache 用户加入nagcmd 组
tar zxvf nagios-3.2.3.tar.gz
cd nagios-3.2.3
./configure --with-command-group=nagcmd
make all
make install
make install-init
make install-config
make install-commandmode
vi /usr/local/nagios/etc/objects/contacts.cfg 修改Email
安装web接口
make install-webconf
htpasswd -c /usr/local/nagios/etc/htpasswd.users nagiosadmin
##设置nagiosadmin web 登录密码
service httpd restart
##重启httpd 服务
编译并安装Nagios插件
[root@nagios download]# tar -zxvf nagios-plugins-1.4.15.tar.gz
cd nagios-plugins-1.4.15
./configure --with-nagios-user=nagios --with-nagios-group=nagios
make install
[root@nagios download]# tar -jxvf nagios-cn-3.2.3.tar.bz2
cd nagios-cn-3.2.3
./configure --with-nagios-user=nagios --with-nagios-group=nagios
make all
make install
把nagios添加为系统服务并将之加入到自动启动服务队列：
chkconfig --add nagios
chkconfig nagios on
/usr/local/nagios/bin/nagios -v /usr/local/nagios/etc/nagios.cfg
##检测有无错误出现
[root@nagios nagios-plugins-1.4.15]# service nagios start
Starting nagios: done.
正式启动nagios服务
http://nagios.sourceforge.net/docs/3_0/quickstart-fedora.html
官方帮助文档，
通过web界面查看nagios：
http://your host ip/nagios
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