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/etc/init.d/iptables?stop
chkconfig?iptables?offsed?-i?‘s/SELINUX=enforcing/SELINUX=disabled/‘?/etc/selinux/config
setenforce?0 |
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useradd?hadoop
echo?123456?|?passwd?--stdin?hadoop
su?-?hadoop
?
ssh-keygen?-t?rsa??????????????????????????????????????#生成密钥对
ssh-copy-id?user@ip????????????????????????????????????#将ssh公钥copy到指定的主机
?
cd?.ssh?#每台服务器本机也需要配置ssh免密码登录
cat?id_rsa.pub??>>?authorized_keys
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wget?http://mirrors.hust.edu.cn/apache/hadoop/common/hadoop-1.2.1/hadoop-1.2.1.tar.gz
tar?xf?hadoop-1.2.1.tar.gz
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vi?hadoop-env.sh
export?JAVA_HOME=/usr/java/jdk1.7.0_67
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<configuration>??<property>
????<name>fs.default.name</name>??????????????????????#指定名称节点在哪里...
????<value>hdfs://hadoop1:9000</value>????????????????#名称节点是hadoop1,?也可以写成ip地址.
??</property>
?
??<property>?
????<name>hadoop.tmp.dir</name>???????????????????????#指定hadoop的临时文件目录,如果不指定会使用/tmp
????<value>/home/hadoop/hadoop-1.2.1/tmp</value>??????#要记得创建目录?mkdir?/home/hadoop-1.2.1/tmp
??</property>
?
??<property>
???<name>fs.trash.interval</name>?????????????????????#指定回收站的清空间隔
???<value>21600</value>???????????????????????????????#单位是分钟
???<description>
?????Number?of?minutes?between?trashcheckpoints.?If?zero,?the?trash?feature?is?disabled
???</description>
??</property>
</configuration>
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<configuration>??<property>
????<name>dfs.replication</name>??????????????????????????#定义hdfs的复制因子,保存多少副本数
????<value>2</value>??????????????????????????????????????#如果是1的话,不复制..
??</property>
?
??<property>
????<name>dfs.block.size</name>
????<value>67108864</value>
????<description>The?default?block?size?for?new?files.</description>
??</property>
</configuration>
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<configuration>??<property>
????<name>mapred.job.tracker</name>???????????????????????#指定jobtracker的地址和监听端口
????<value>hadoop1:9001</value>
??</property>
</configuration>
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hadoop1???????????????????????????????????????????????#在文件中指定充当master的主机名称
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hadoop2???????????????????????????????????????????????#在文件中指定充当salve的主机名称
hadoop3 |
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vi?/etc/hosts
192.168.188.210?hadoop1192.168.188.220?hadoop2192.168.188.230?hadoop3 |
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cd?/home/hadoop
scp?-r?hadoop-1.2.1?ip:/home/hadoop
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cd?hadoop-1.2.1
./bin/hadoop?namenode?-format
?
如果最后面的信息有下面这样的表示成功...14/08/30?11:37:05?INFO?common.Storage:?Storage?directory?/home/hadoop/hadoop-1.2.1/tmp/dfs/name?has?been?successfully?formatted.
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./bin/start-all.sh
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/usr/java/jdk1.7.0_67/bin/jps
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原文：http://aijuans.iteye.com/blog/2160716