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原创 VirtualBox大数据平台搭建（Ubuntu)

/bin/hadoop jar ./share/hadoop/mapreduce/hadoop-mapreduce-examples-*.jar wordcount ./input ./output #运行wordcount程序。sudo tar -zxvf /home/hadoop/下载/jdk-8u171-linux-x64.tar.gz -C /opt/jvmsudo chown -R hadoop ./hadoop #递归修改目录./hadoop的所有权为hadoop。