hadoop安装

//master

[root@localhost ~]# cd /usr/local/src
[root@localhost src]# wget http://mirror.bit.edu.cn/apache/hadoop/common/hadoop-2.7.1/hadoop-2.7.1.tar.gz
[root@localhost src]# tar zxvf hadoop-2.7.1.tar.gz
[root@localhost src]# mv hadoop-2.7.1 /usr/local/hadoop
[root@localhost src]# cd /usr/local/hadoop/
[root@localhost hadoop]# mkdir tmp dfs dfs/data dfs/name

//接下来要将 “/usr/local/hadoop”这个目录分别拷贝到两个slave上

[root@localhost hadoop]# yum install -y rsync