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将hadoop压缩包上传到node1的/root目录
tar -zxvf hadoop-2.5.1_x64.tar.gz
mv hadoop-2.5.1 /home/
cd /home/
ls
cd hadoop-2.5.1
ls
cd etc/hadoop
#配置1,修改hadoopenv.sh
vi hadoop-env.sh
#将jdk的安装目录添加到这个文件
export JAVA_HOME=/usr/java/jdk1.7.0_79
#配置2,修改core-site.xml
vi core-site.xml
fs.defaultFS
hdfs://192.168.2.136:9000
hadoop.tmp.dir
/opt/hadoop-2.5
#配置3,修改hdfs-site.xml
vi hdfs-site.xml
dfs.namenode.secondary.http-address
192.168.2.137:50090
dfs.namenode.secondary.https-address
192.168.2.137:50091
#配置4,修改slaves
vi slaves
192.168.2.137
192.168.2.138
192.168.2.139
#配置5,修改masters
vi masters
192.168.2.137
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