Hadoop集群搭建无密码登录

两台服务器，hadoop-001和hadoop-003 1.讲hadoop-001的公钥远程拷贝到hadoop-003 scp id_rsa.pub hadoop-003:/home/hadoop   2. 切换到hadoop-003，追加hadoop-001的公钥到authorized_keys中 cat ../id_rsa.pub >> ./authorized_keys   3. 从hado

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