Linux下使用Cacti监控流量状况

  Cacti 在英文中的意思是仙人掌的意思,Cacti是一套基于PHP,MySQL,SNMP及RRDTool开发的网络流量监测图形分析工具,使用PHP开发,它是由一些PHP页面组成软件,主要针对企业的大量网络设备、服务器主机***能监测服务,可提供对CPU负载、内存占用、运行进程数、磁盘空间、网卡流量等各种数据信息的监测,cacti注重的是状态监控,报警和服务恢复功能比较差。


官方站点:

http://www.cacti.net

下载页面:

http://www.cacti.net/downloads/cacti-0.8.8b.tar.gz



开始Cacti安装部署

机器IP地址:192.168.1219.129


软件下载:

[root@rhel64 ~]# wget http://www.cacti.net/downloads/cacti-0.8.8a.tar.gz

[root@rhel64 ~]# wget http://oss.oetiker.ch/rrdtool/pub/rrdtool-1.4.5.tar.gz

[root@rhel64 ~]# wget http://www.cacti.net/downloads/spine/cacti-spine-0.8.8a.tar.gz


安装lamp环境:

[root@rhel64 ~]# yum install -y httpd mysql  mysql-server php php-mysql php-json php-pdo


安装相关的lib库:

[root@rhel64 ~]# yum install -y cairo-devel libxml2-devel pango pango-devel


安装编译器:

[root@rhel64 ~]# yum -y install gcc make gcc-c++


解压编译软件:

[root@rhel64 ~]# tar -xzf rrdtool-1.4.5.tar.gz 

[root@rhel64 ~]# cd rrdtool-1.4.5

[root@rhel64 rrdtool-1.4.5]# ./configure --prefix=/usr/local/rrdtool/

[root@rhel64 rrdtool-1.4.5]# make && make install

[root@rhel64 rrdtool-1.4.5]# ln -s /usr/local/rrdtool/bin/* /usr/local/bin/


安装snmp服务:

[root@rhel64 rrdtool-1.4.5]# yum -y install net-snmp net-snmp-utils


安装Cacti主程序:

[root@rhel64 ~]# tar xzf cacti-0.8.8a.tar.gz && mv cacti-0.8.8a /var/www/html/cacti


创建Cacti数据库:

[root@rhel64 ~]# service mysqld start

[root@rhel64 ~]# /usr/bin/mysqladmin -u root -h rhel64 password ‘123456‘

[root@rhel64 ~]# /usr/bin/mysqladmin -u root password ‘123456‘

[root@rhel64 ~]# mysql -uroot -p

mysql> create database cacti;

Query OK, 1 row affected (0.00 sec)

mysql> grant all on cacti.* to cacti@‘localhost‘ identified by "123456";

Query OK, 0 rows affected (0.00 sec)

mysql> flush privileges;

Query OK, 0 rows affected (0.00 sec)

mysql>



把Cacti数据导入Cacti数据库:

[root@rhel64 ~]# mysql -ucacti -p123456 cacti</var/www/html/cacti/cacti.sql 

[root@rhel64 ~]# chmod -R 777 /var/www/html/cacti/rra 

[root@rhel64 ~]# chmod -R 777 /var/www/html/cacti/log

[root@rhel64 ~]# vi /var/www/html/cacti/include/config.php 

<?php

/*

 +-------------------------------------------------------------------------+

 | Copyright (C) 2004-2012 The Cacti Group                                 |

 |                                                                         |

 | This program is free software; you can redistribute it and/or           |

 | modify it under the terms of the GNU General Public License             |

 | as published by the Free Software Foundation; either version 2          |

 | of the License, or (at your option) any later version.                  |

 |                                                                         |

 | This program is distributed in the hope that it will be useful,         |

 | but WITHOUT ANY WARRANTY; without even the implied warranty of          |

 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the           |

 | GNU General Public License for more details.                            |

 +-------------------------------------------------------------------------+

 | Cacti: The Complete RRDTool-based Graphing Solution                     |

 +-------------------------------------------------------------------------+

 | This code is designed, written, and maintained by the Cacti Group. See  |

 | about.php and/or the AUTHORS file for specific developer information.   |

 +-------------------------------------------------------------------------+

 | http://www.cacti.net/                                                   |

 +-------------------------------------------------------------------------+

*/


/* make sure these values refect your actual database/host/user/password */

$database_type = "mysql";

$database_default = "cacti";

$database_hostname = "localhost";

$database_username = "cacti";

$database_password = "123456";

$database_port = "3306";

$database_ssl = false;


/*

   Edit this to point to the default URL of your Cacti install

   ex: if your cacti install as at http://serverip/cacti/ this

   would be set to /cacti/

*/

//$url_path = "/cacti/";


/* Default session name - Session name must contain alpha characters */

//$cacti_session_name = "Cacti";


?>


[root@rhel64 ~]# setenforce 0

[root@rhel64 ~]# crontab -e

*/5  * * * * /usr/bin/php /var/www/html/cacti/poller.php >>/tmp/cacti_rrdtool.log 2>&1


http://192.168.1219.129/cacti/


一直点击next下去即可,用户名和密码默认是admin.admin,第一次登陆需要修改密码。











定义监控哪些设备:

控制面版-->建立设备-->定义设备-->为设备生成图像-->在图像树中添加新设备

console-->Devices-->add(左上角)-->define devices-->Create Graphs for this Host-->create

在被监控客户机上要安装net-snmp,41行那里要填写监控端的IP地址。

[root@rhel64 ~]# yum -y install net-snmp

[root@rhel64 ~]# vim /etc/snmp/snmpd.conf

62 access  notConfigGroup ""      any       noauth    exact  all none none

41 com2sec notConfigUser  192.168.1219.129       public

85 view all    included  .1                               80


[root@rhel64 ~]# service snmpd start


待续...

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