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一、安装cacti服务器
1.首先安装epm扩展源
rpm -ivh http://www.lishiming.net/data/attachment/forum/epel-release-6-8_64.noarch.rpm
centos5
32位epel源下载地址： www.lishiming.net/data/attachment/forum/epel-release-5-4_32.noarch.rpm
64位下载地址： www.lishiming.net/data/attachment/forum/epel-release-5-4_64.noarch.rpm
centos6
32位epel yum源下载地址： www.lishiming.net/data/attachment/forum/epel-release-6-8_32.noarch.rpm
64位下载地址： www.lishiming.net/data/attachment/forum/epel-release-6-8_64.noarch.rpm
2. （lamp）然后分别安装httpd、php、mysql
yum install -y httpd php php-mysql mysql mysql-server mysql-devel php-gd libjpeg libjpeg-devel libpng libpng-devel
3. 安装cacti net-snmp rrdtool
yum install -y cacti net-snmp net-snmp-utils rrdtool
4. 启动服务：
/etc/init.d/mysqld start /etc/init.d/httpd start /etc/init.d/snmpd start
5. 编辑httpd配置文件
vim /etc/httpd/conf.d/cacti.conf 把"Deny from all" 改为 "Allow from all"
/etc/init.d/httpd restart
6. 导入数据创建cacti库
mysql -uroot -e "create database cacti"
创建cacti用户
mysql -uroot -e "grant all on cacti.* to 'cacti'@'127.0.0.1' identified by 'cacti';"
导入sql文件
mysql -uroot cacti < /usr/share/doc/cacti-0.8.8b/cacti.sql
7. 编辑cacti配置文件
vim /usr/share/cacti/include/config.php
更改如下：
$database_type = "mysql";
$database_default = "cacti";
$database_hostname = "127.0.0.1";
$database_username = "cacti";
$database_password = "cacti";
$database_port = "3306";
$database_ssl = false;
8. web访问cacti并安装
http://ip/cacti/
点两下“next” 和一次”Finish“ 即可
输入admin admin 登录，重新设置新的密码
9. 执行poller.php, 生成图形， 加入计划任务
/usr/bin/php /usr/share/cacti/poller.php
添加cron任务
出现warning（执行结果出现警告） 搜索 timezone 添加一行
vim /etc/php.ini
date.timezone = 'Asia/Chongqing'
/usr/bin/php /usr/share/cacti/poller.php
增加
每五分钟执行任务计划
crontab -e
*/5 * * * * /usr/bin/php /usr/share/cacti/poller.php