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$ ssh-keygen -t dsa -P ‘‘ -f ~/.ssh/id_dsa $ cat ~/.ssh/id_dsa.pub >> ~/.ssh/authorized_keys 重启ssh:rcsshd restart开机启动ssh服务:
systemctl enable sshd.service
spark 学习之 hadoop搭建之 ssh免密码登录
原文地址:http://www.cnblogs.com/lsnl8480/p/4696969.html