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hadoop三种模式 ①.本地 数据存在linux本地
一、完全分布式搭建
1.scp (secure copy 安全拷贝)
- server to sever
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代码如下(示例):
推:scp -r $pdir/$fname $user@$host:$pdir/$fname
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ssh检查开启
rpm -qa | grep ssh
yum install ssh
service sshd start
#ssh免密登录
ls -al
ssh-keygen -t rsa
ssh-copy -id hadoopxxx
1.scp (secure copy 安全拷贝)
- server to sever
-
代码如下(示例):
推:scp -r $pdir/$fname $user@$host:$pdir/$fname
-
ssh检查开启
rpm -qa | grep ssh
yum install ssh
service sshd start
#ssh免密登录
ls -al
ssh-keygen -t rsa
ssh-copy -id hadoopxxx
代码如下(示例):
推:scp -r $pdir/$fname $user@$host:$pdir/$fname
ssh检查开启
rpm -qa | grep ssh yum install ssh service sshd start #ssh免密登录 ls -al ssh-keygen -t rsa ssh-copy -id hadoopxxx



