[cacti监控] centos6.2下安装cacti监控

1> 配置LAMP环境
     a> 安装mysql数据库
           yum -y install mysql mysql-server mysql-devel
     b> 配置apache与php
           yum -y install httpd php php-mysql

2> 安装rrdtool和net-snmp
      yum -y install zlib freetype libjpeg fontconfig gd libxml2 php-gd
      yum -y install perl-Net-Daemon perl-PlRPC perl-DBI rrdtool  perl-rrdtool  perl-DBD-MySQL
      yum -y install php-pdo lm_sensors net-snmp php-snmp net-snmp-utils 

3> 安装cacti
      tar -zxvf cacti-0.8.8a.tar.gz
      mv cacti-0.8.8a  /var/www/html/cacti/

4> 配置cacti
      a> 配置httpd服务
            vim /etc/httpd/conf.d/cacti.conf          
Alias /cacti /var/www/html/cacti
<Directory /var/www/html/cacti>
      DirectoryIndex index.php
      AllowOverride all
      order deny,allow
      deny from all
      allow from all
      AddType application/x-httpd-php .php
      php_flag magic_quotes_gpc on
      php_flag track_vars on
</Directory> 
  
      vim /etc/httpd/conf/httpd.conf
 276  ServerName localhost:80
        
      vim /etc/php.ini        
946 date.timezone = PRC

      service httpd start

   
   b> 配置 mysql并导入 cacti.sql
         service mysqld start
         mysqladmin -u root password '123456'

         mysql -uroot -p123456
         mysql> create database cacti;
         mysql> grant all on cacti.* to cacti@'localhost' identified by '123456';
         mysql> flush privileges;
      
         mysql -u cacti -p123456 cacti < /var/www/html/cacti/cacti.sql

   c> 配置snmpd服务
        vim /etc/snmp/snmpd.conf       
41 com2sec notConfigUser   127.0.0.1   public
62 access  notConfigGroup ""      any       noauth    exact  all  none none
85 view all    included  .1                               80
       service snmpd start

   d> 配置cacti目录权限
         useradd cacti -d /var/www/html/cacti  -s /bin/false
         chown -R root:root     /var/www/html/cacti/
         chown -R cacti:cacti   /var/www/html/cacti/rra  /var/www/html/cacti/log
   
   e> 配置cacti连接数据库
         vim /var/www/html/cacti/include/config.php      
29 $database_username = "cacti";
30 $database_password = "123456";

   f> 配置cron计划任务
        crontab -u cacti -e  
   */5 * * * * /usr/bin/php  /var/www/html/cacti/poller.php &>/dev/null
  
5> 配置完成,设置服务开机自启动
     chkconfig httpd on
     chkconfig mysqld on
     chkconfig snmpd on 
    
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