hadoop分布式集群搭建=两次的总结--包括挂载文件系统
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软件园二期:
1 Linux下Hadoop集群安装详细步骤
http://blog.csdn.net/liuyuanshijie/article/details/67224262 centos linux 下的jdk安装 jdk-6u26-linux-x64.bin
http://blog.csdn.net/baple/article/details/82555635 vi编辑器的保存,退出命令:wq
chmod -R a+w /home/lab301/hadoop-1.0.4/tmp/
本机:
master配置
ssh-keygen -t rsa -P '' -f ~/.ssh/id_rsa
cat ~/.ssh/id_rsa.pub >> ~/.ssh/authorized_keys
chmod 644 ~/.ssh/authorized_keys
ssh localhost # 测试是否可以免密码访问本机
scp ~/.ssh/id_rsa.pub root@119.188.7.66:~/.ssh/master_id_rsa.pub
ssh-add ~/.ssh/id_rsa
slave1配置
ssh-keygen -t rsa -P '' -f ~/.ssh/id_rsa
cat ~/.ssh/id_rsa.pub >> ~/.ssh/authorized_keys
chmod 644 ~/.ssh/authorized_keys
ssh localhost # 测试是否可以免密码访问本机
scp ~/.ssh/id_rsa.pub root@119.188.7.66:~/.ssh/slave1_id_rsa.pub
ssh-add ~/.ssh/id_rsa
slave2配置
ssh-keygen -t rsa -P '' -f ~/.ssh/id_rsa
cat ~/.ssh/id_rsa.pub >> ~/.ssh/authorized_keys
chmod 644 ~/.ssh/authorized_keys
ssh localhost # 测试是否可以免密码访问本机
scp ~/.ssh/id_rsa.pub root@119.188.7.66:~/.ssh/slave2_id_rsa.pub
ssh-add ~/.ssh/id_rsa
最后分别:
master
cat ~/.ssh/slave1_id_rsa.pub >> ~/.ssh/authorized_keys
cat ~/.ssh/slave2_id_rsa.pub >> ~/.ssh/authorized_keys
slave1
cat ~/.ssh/main_id_rsa.pub >> ~/.ssh/authorized_keys
cat ~/.ssh/slave2_id_rsa.pub >> ~/.ssh/authorized_keys
slave2
cat ~/.ssh/main_id_rsa.pub >> ~/.ssh/authorized_keys
cat ~/.ssh/slave1_id_rsa.pub >> ~/.ssh/authorized_keys
最重要的先要看自己能不能无密码登入
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