一、创建用户
useradd hadoop
passwd hadoop
12
useradd hadooppasswd hadoop
二、scp安装
yum install openssh-clients -y
mkdir -p /home/hadoop/source
mkdir -p /home/hadoop/tools
mkdir -p /hadoop/hdfs
mkdir -p /hadoop/tmp
mkdir -p /hadoop/log
chmod -R 777 /hadoop
...
