Hadoop集羣搭建無密碼登錄

兩臺服務器，hadoop-001和hadoop-003 1.講hadoop-001的公鑰遠程拷貝到hadoop-003 scp id_rsa.pub hadoop-003:/home/hadoop   2. 切換到hadoop-003，追加hadoop-001的公鑰到authorized_keys中 cat ../id_rsa.pub >> ./authorized_keys   3. 從hado

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