1.配置环境变量

vi /etc/profile

export HADOOP_HOME=/root/gorson/hadoop-3.0.2
export PATH_BIN=$PATH:$HADOOP_HOME/bin
export PATH_SBIN=$PATH:$HADOOP_HOME/sbin

2.hadoop-env.sh

export JAVA_HOME=/usr/local/jdk1.8.0_171

3.core-site.xml
<property>
<name>fs.default.name</name>
<value>hdfs://localhost:9000</value>
</property>

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

<property>
<name>hadoop.tmp.dir</name>
<value>/root/gorson/hadoop-3.0.2/tmp</value>
</property>

4.hdfs-site.xml

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

<property>
<name>dfs.name.dir</name>
<value>/root/gorson/hadoop-3.0.2/hdfs/name</value>
</property>

<property>
<name>dfs.data.dir</name>
<value>/root/gorson/hadoop-3.0.2/hdfs/data</value>
</property>

5.mapred-site.xml
<property>
<name>mapreduce.framework.name</name>
<value>yarn</value>
</property>

6.yarn-site.xml

<property>
<name>yarn.resourcemanager.hostname</name>
<value>localhost</value>
</property>

<property>
<name>yarn.nodemanager.aux-services</name>
<value>mapreduce_shuffle</value>
</property>