cdh集群安装(入门)

cdh集群安装 一、  配置主机 vim/etc/hosts   (hadoop1,hadoop2,hadoop3)表明在3台机器执行操做java 192.168.157.128hadoop1node 192.168.157.129hadoop2mysql 192.168.157.130 hadoop3sql 二、  关闭防火墙 (全部机器)shell chkconfig iptables off

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