在~/.bashrc中添加环境变量

export JAVA_HOME=/bigdata/jdk1.8.0_212
export PATH=$PATH:$JAVA_HOME/bin
export HADOOP_HOME=/bigdata/hadoop-3.1.3
export PATH=$PATH:$HADOOP_HOME/bin
export PATH=$PATH:$HADOOP_HOME/sbin

1.配置hdfs

1.配置
etc/hadoop/core-site.xml:

<configuration>
    <property>
        <name>fs.defaultFS</name>
        <value>hdfs://localhost:9000</value>
    </property>
</configuration>

etc/hadoop/hdfs-site.xml:

<configuration>
    <property>
        <name>dfs.replication</name>
        <value>1</value>
    </property>
</configuration>

2.格式化namenode
$ bin/hdfs namenode -format
3.启动dfs
sbin/start-dfs.sh
4.访问namenode网站
NameNode - http://localhost:9870/

如有问题可参考：
hadoop平台报错：ATTEMPTING TO OPERATE ON HDFS NAMENODE AS ROOT（start-all.sh）启动失败解决方法

2.配置yarn

1.配置yarn
etc/hadoop/mapred-site.xml:

<configuration>
    <property>
        <name>mapreduce.framework.name</name>
        <value>yarn</value>
    </property>
    <property>
        <name>mapreduce.application.classpath</name>
        <value>$HADOOP_MAPRED_HOME/share/hadoop/mapreduce/*:$HADOOP_MAPRED_HOME/share/hadoop/mapreduce/lib/*</value>
    </property>
</configuration>

etc/hadoop/yarn-site.xml:

<configuration>
    <property>
        <name>yarn.nodemanager.aux-services</name>
        <value>mapreduce_shuffle</value>
    </property>
    <property>
        <name>yarn.nodemanager.env-whitelist</name>
        <value>JAVA_HOME,HADOOP_COMMON_HOME,HADOOP_HDFS_HOME,HADOOP_CONF_DIR,CLASSPATH_PREPEND_DISTCACHE,HADOOP_YARN_HOME,HADOOP_MAPRED_HOME</value>
    </property>
</configuration>

2.启动yarn
sbin/start-yarn.sh
3.访问yarn
ResourceManager - http://localhost:8088/

参考：
官方文档

ssh配置
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