1登录 admin admin
2点击devices localhost
3进入配置保存
4保存 http服务要启动哦
5一步步做
6graph tree
7执行/usr/bin/php /var/www/html/cacti/poller.php
8如果时间设置错误去php.ini里面修改时间
YSTEM STATS: Time:0.4759 Method:cmd.php Processes:1 Threads:N/A Hosts:2 HostsPerProcess:2 DataSources:9 RRDsProcessed:7成功