CentOS6.X上安装Cacti网络监控系统和Spine轮询
Cacti工具是一套开源的基于Web的网络监控和系统监控的图形解决方案。Cacti通过SNMP服务获取数据，并使用RRDtool绘制图形，提供非常直观的数据和用户管理功能。Cacti需要Web、MySQL和PHP的支持。Cacti一般用于监控网络流量、CPU负载、磁盘空间等。Cacti官网：http://www.cacti.net/
安装Cacti需要安装的软件包：Apache、MySQL、PHP、RRTool、PHP-SNMP、NET-SNMP
一、安装Cacti需要安装的软件包
1、安装扩展源
# rpm -ivh http://mirrors.yun-idc.com/epel/6/i386/epel-release-6-8.noarch.rpm
2、安装Apache
# yum -y install httpd httpd-devel
3、安装MySQL
# yum -y install mysql mysql-server
4、安装PHP及相关软件
# yum install php php-mysql php-gd php-pear php-devel php-common php-cli php-mbstring php-mcrypt
5、启动Apache、MySQL
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# chkconfig httpd on
# chkconfig mysqld on
# service httpd start
# service mysqld start
# mysqladmin -uroot password dbpasswd ；设置root用户密码
6、安装PHP-SNMP和NET-SNMP
# yum -y install php-snmp net-snmp net-snmp-utils net-snmp-libs
7、安装RRDTool
# yum -y install rrdtool
二、安装Cacti服务
1、下载cacti-0.8.8f.tar.gz
# wget http://www.cacti.net/downloads/cacti-0.8.8f.tar.gz
2、解压到网站目录/var/www/html/下
# tar zxf cacti-0.8.8f.tar.gz
# mv cacti-0.8.8f /var/www/html/cacti
# chown -R apache.apache /var/www/html/
3、创建Cacti数据库、用户和密码
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# mysql -uroot -p
Enter password:
Welcome to the MySQL monitor.Commands end with ; or \g.
Your MySQL connection id is 9
Server version: 5.1.73 Source distribution
Copyright (c) 2000, 2013, Oracle and/or its affiliates. All rights reserved.
Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.
Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.
mysql> create database cacti;
Query OK, 1 row affected (0.00 sec)
mysql> GRANT ALL ON cacti.* TO 'cacti'@'localhost' IDENTIFIED BY 'cactipass';
Query OK, 0 rows affected (0.01 sec)
mysql> flush privileges;
Query OK, 0 rows affected (0.04 sec)
mysql> quit
Bye
4、导入Cacti数据库文件
# mysql -uroot -p cacti < /var/www/html/cacti/cacti.sql
5、修改Cacti相关的MySQL数据库配置文件
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# vim /var/www/html/cacti/include/config.php
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/* 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 = "cactipass";
$database_port = "3306";
$database_ssl = false;
6、添加防火墙规则允许外部访问80端口
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# iptables -A INPUT -p udp --dport 80 -j ACCEPT
# iptables -A INPUT -p tcp --dport 80 -j ACCEPT
# service iptables save
7、配置Cacti虚拟主机文件，创建/etc/httpd/conf.d/cacti.conf，允许192.168.1.0的网段访问
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# vim /etc/httpd/conf.d/cacti.conf
Alias /cacti /var/www/html/cacti
<Directory /var/www/html/cacti/>
Order Deny,Allow
Deny from all
Allow from 192.168.1.0/24
</Directory>
8、调整系统时间，并且修改php.ini对应的时区为'Asia/Shanghai'
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# ntpdate time.nist.gov
# hwclock ；写入BIOS
#添加时间自动同步计划任务
0 11 * * * /usr/sbin/ntpdate time.nist.gov;hwclock -w
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# vim /etc/php.ini
date.timezone = 'Asia/Shanghai'
9、配置cacti轮询php脚本，添加cron计划任务，让它每五分钟执行一次以生成图像显示
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*/5 * * * */usr/bin/php /var/www/html/cacti/poller.php
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# /usr/bin/php /var/www/html/cacti/poller.php
OK u:0.00 s:0.01 r:0.08
OK u:0.00 s:0.01 r:0.10
OK u:0.00 s:0.01 r:0.11
OK u:0.00 s:0.01 r:0.13
OK u:0.00 s:0.01 r:0.19
01/21/2016 03:15:01 PM - SYSTEM STATS: Time:0.3285 Method:cmd.php Processes:1 Threads:N/A Hosts:2 HostsPerProcess:2 DataSources:5 RRDsProcessed:5
10、重启服务
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# service httpd restart
# service mysqld restart
# service snmpd restart
# service crond restart
11、浏览器登录http://IP/cacti/install/完成安装向导
Cacti默认登录用户和密码都是admin，根据提示修改，进入Cacti的Web界面
安装完成
三、安装Cacti加速轮询器Spine
1、下载spine-0.8.8f，版本对应cacti的版本
# wget http://www.cacti.net/downloads/spine/cacti-spine-0.8.8f.tar.gz
2、安装Spine依赖的包
# yum -y install libtool net-snmp-devel mysql-devel
3、编译安装Spine
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# ./configure
# make
# make install
make: Entering directory `/root/cacti-spine-0.8.8f'
/bin/mkdir -p '/usr/local/spine/bin'
/bin/sh ./libtool --mode=install /usr/bin/install -c spine '/usr/local/spine/bin'
libtool: install: /usr/bin/install -c spine /usr/local/spine/bin/spine
/bin/mkdir -p '/usr/local/spine/etc'
/usr/bin/install -c -m 644 spine.conf.dist '/usr/local/spine/etc'
make: Leaving directory `/root/cacti-spine-0.8.8f'
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# ls /usr/local/spine/
binetc
4、配置spine.conf文件，指定cacti数据库、用户和密码
# cp /usr/local/spine/etc/spine.conf.dist /etc/spine.conf
# vim /etc/spine.conf
5、执行Spine轮询脚本获取监测主机信息
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# /usr/local/spine/bin/spine
SPINE: Using spine config file
SPINE: Version 0.8.8f starting
SPINE: Time: 0.2636 s, Threads: 5, Hosts: 2
6、在Cacti页面选择Spine为默认轮询方式
console--->Settings--->Paths--->Spine Poller File Path--->/usr/local/spine/bin/spine--->save
Poller--->Poller Type--->spine--->save
Cacti配置完成
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