Hadoop3.2學習-1.SSH免密登錄配置&JDK安裝配置

1.SSH免密登錄配置 主節點: ssh-****** -t rsa cat id_rsa.pub>>authorized_keys 從節點: 1.同步生成祕鑰 2.將祕鑰拷貝至主節點authorized_keys中 3.將authorized_keys分發到從節點中 scp authorized_keys [email protected]:/root/.ssh/ 2.JDK安裝配置 1.上傳j

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