Hadoop下载安装(物理机)

1、下载Hadoop安装包##

http://archive.apache.org/dist/hadoop/common

2、解压安装Hadoop

将hadoop-2-7.4.tar.gz包上传到/root/export/software目录

cd /root/export/software
mkdir /root/exprot/servers
tar-zxvf hadoop-2.7.4.tar.gz -C /root/export/servers/

3、配置Hadoop系统环境变量

exportHADOOP_HOME=/root/export/servers/hadoop-2.7.4
exportPATH=$PATH:$HADOOP_HOME/bin:$HADOOP_HOME/sbin

4、验证Hadoop环境

hadoop version