hadoop僞分佈式安裝&啓動HDFS

  hadoop是基於java編寫的分佈式框架，要安裝hadoop，必須先安裝java的開發環境html jdk下載java http://www.oracle.com/technetwork/java/javase/downloads/java-archive-javase8-2177648.htmlnode hadoop官網下載linux http://www.apache.org/dyn/c

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