摘要： 操作系统：CentOS 6.2虚拟机：VMWare 8.0Master与Slave都需要做：用root登陆,建立hadoop用户useradd hadooppasswd hadoop源机器执行：ssh-keygen -t rsa -P '';cat ~/.ssh/id_rsa.pub >> ~/.ssh/authorized_keys;scp ~/.ssh/id_rsa.pub hadoop@目标机器IP:~/;cat ~/id_rsa.pub >> ~/.ssh/authorized_keys目标机器执行：cat ~/id_rsa.pub >&g 阅读全文