Hadoop搭建 之 单机模式

wget https://mirror.bit.edu.cn/apache/hadoop/common/hadoop-3.2.1/hadoop-3.2.1.tar.gz

tar xf hadoop-3.2.1.tar.gz && cd hadoop-3.2.1

vim etc/hadoop/core-site.xml

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

vim etc/hadoop/hdfs-site.xml

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

cat ~/.ssh/id_rsa.pub >> ~/.ssh/authorized_keys

./bin/hdfs namenode -format

./sbin/start-dfs.sh

jps
# 34068 DataNode
# 33949 NameNode
# 34527 SecondaryNameNode

./bin/hdfs dfs -mkdir /test

./bin/hdfs dfs -ls /

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