ssh-keygen -t rsa -P '' -f ~/.ssh/id_rsa cat ~/.ssh/id_rsa.pub >> ~/.ssh/authorized_keys chown 600 authorized_keys
2、其他机器
将第一步生成的id_rsa.pub的内容拷贝至目标机器的~/.ssh/authorized_keys中,一定不能换行
ssh-keygen -t rsa -P '' -f ~/.ssh/id_rsa cat ~/.ssh/id_rsa.pub >> ~/.ssh/authorized_keys chown 600 authorized_keys