DaviHao

解决Mac没有ssh-copy-id命令的问题： 使用以下命令代替ssh-copy-id: cat ~/.ssh/id_dsa.pub | ssh hadoop@slave "umask 077; mkdir -p .ssh ; cat >> .ssh/authorized_keys" FYI This command will prompt you for the login passw

今天执行bin/hadoop fs -copyFromLocal /Users/hadoop/Weibo/input/FavoriteFile.txt /user/hadoop/FavoriteFile.txt时候碰到了以下问题： file “*********”could only be replicated to 0 nodes, instead of 1 然后check了一下dfsh