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1Hadoop(2)HadoopContents .................................................................................................... 1Hadoop .......................................................................................... 3便VirtualBoxsudo pacman -S virtualbox 2Vagrant便sudo pacman -S vagrantHadoopUbuntu Servermkdir hadoop-standalonecd hadoop-standalonevagrant init ubuntu/focal64vagrant up# cd hadoop-standalone vagrant statusvagrant sshsudo apt-get updatesudo apt install openjdk-8-jdksudo apt-get install sshsudo apt-get install pdshSSH便# ssh localhostssh-keygen -t rsa -P '' -f ~/.ssh/id_rsa Hadoop3cat ~/.ssh/id_rsa.pub >> ~/.ssh/authorized_keyschmod 0600 ~/.ssh/authorized_keysvagrant upload ~/Downloads/hadoop-3.3.1.tar.gzHadooptar -zxvf hadoop-3.3.1.tar.gzcd hadoop-3.3.1vim etc/hadoop/hadoop-env.shexport JAVA_HOME=/usr/lib/jvm/java-1.8.0-openjdk-amd64# bin/hadoop<configuration> <property> <name>fs.defaultFS</name> <value>hdfs://localhost:9000</value> </property></configuration><configuration> <property> <name>dfs.replication</name> <value>1</value> </property></configuration><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> Hadoop4 </property></configuration><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_HOME,PATH,LANG,TZ,HADOOP_MAPRED_HOME</value> </property></configuration>Hadoopbin/hdfs namenode -formatsbin/start-dfs.shsbin/start-yarn.sh访宿 Hadoop5

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