//***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
#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
#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
#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
#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
#chkconfig --add nagios #chkconfig --level 35 nagios on
6.安装nagios插件(版本1.4.14)
#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
#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***//
#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
#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
#yum install postfix -y #chkconfig postfix on #/etc/init.d/postfix restart