//实验准备 1. hostname 192.168.216.128 master 192.168.216.129 slave1 192.168.216.130 slave2 2. vi /etc/hosts 192.168.216.128 master 192.168.216.129 slave1 192.168.216.130 slave2 3. 关闭防火墙 //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 [root@localhost hadoop]# yum install -y openssh-clients //安装好rsync，将文件拷贝到另外两台slave中 [root@master ~]# rsync -av /usr/local/hadoop/ slave1:/usr/local/ .... .... .........................................[yes/no] yes [root@master ~]# rsync -av /usr/local/hadoop/ slave2:/usr/local/ .... .... .........................................[yes/no] yes //完成后去两台slave主机里检查是否存在拷贝好的文件，应该会在/usr/local/share里