nagios安装
//***nagios是一款开源的免费网络监控工具，能有效监控windows、linux和unix的主机状态，交换机、路由器和打印机等。在系统或服务状态出现异常时发出邮件（或短信）报警，通知运维人员，起到实时监控的作用。***//
**********nagios安装**********
1.安装RPMForge源
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#wget http://apt.sw.be/redhat/el6/en/x86_64/RPMS.dag/rpmforge-release-0.3.6-1.el6.rf.x86_64.rpm
#rpm --import http://dag.wieers.com/rpm/packages/RPM-GPG-KEY.dag.txt
#rpm -Uhv rpmforge-release-0.3.6-1.el6.rf.x86_64.rpm
2.安装依赖包
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#yum install gd fontconfig-devel libjpeg-devel libpng-devel gd-devel perl-GD openssl-devel php mailx postfix cpp gcc gcc-c++ libstdc++ glib2-devel libtoul-ltdl-devel -y
3.创建用户和组
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#groupadd -g 6000 nagios //***nagios用户组***//
#groupadd -g 6001 nagcmd //***nagios命令组***//
#useradd -u 6000 -g nagios -G nagcmd -d /home/nagios -c "Nagios Admin" nagios //***创建nagios管理账户***//
4.安装nagios
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#tar zxvf nagios-3.2.0.tar.gz
#cd nagios-3.2.0
#./configure --prefix=/usr/local/nagios --with-nagios-user=nagios --with-nagios-group=nagios --with-command-user=nagios --with-command-group=nagcmd \
--enable-enent-broker --enable-nanosleep --enable-embedded-perl --with-perlcache
#make all
#make install
#make install-init
#make install-commandmode
#make install-config
#make install-webconf
5.设置nagios开机启动
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#chkconfig --add nagios
#chkconfig --level 35 nagios on
6.安装nagios插件(版本1.4.14)
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#tar zxvf nagios-plugins-1.4.14.tar.gz
#cd nagios-plugins-1.4.14
#./configure --prefix=/usr/local/nagios --with-nagios-user=nagios --with-nagios-group=nagios --with-command-user=nagios --with-command-group=nagcmd
#make all
#make install
#chmod 755 /usr/local/nagios
7.安装apache和php
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#yum install httpd php* -y
8.配置apache
//***在该配置文件中找到 “DirectoryIndex index.html index.html.var” 修改为 “DirectoryIndex index.html index.php”，使其支持php格式的网页。***//
//***在该配置文件中加入 “AddType application/x-httpd-php .php”，使其支持.php的文件类型***//
//***在该配置文件末加入以下内容，使其通过验证才能访问web监控页面***//
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#setting for nagios
ScriptAlias /nagios/cgi-bin "/usr/local/nagios/sbin"
<Directory "/usr/local/nagios/sbin">
AuthType Basic
Options ExecCGI
AllowOverride None
Order allow,deny
Allow from all
AuthName "Nagios Access"
AuthUserFile /usr/local/nagios/etc/htpasswd.user //用于此目录访问身份验证的文件
Require valid-user
</Directory>
Alias /nagios "/usr/local/nagios/share"
<Directory "/usr/local/nagios/share">
AuthType Basic
Options None
AllowOverride None
Order allow,deny
Allow from all
AuthName "nagios Access"
AuthUserFile /usr/local/nagios/etc/htpasswd.user
Require valid-user
</Directory>
9.添加nagios web监控页面认证用户
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#htpasswd -c /usr/local/nagios/etc/htpasswd.users nagiosadmin
#chown nagios:nagcmd /usr/local/nagios/etc/htpasswd.users
#usermod -a -G nagios,nagcmd apache //***增加额外的附属组***//
#service httpd restart
10.安装并启动postfix
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#yum install postfix -y
#chkconfig postfix on
#/etc/init.d/postfix restart
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