SSH 无密码登录
1、在主服务器master下生成密钥$ ssh-keygen -t dsa -P "" -f ~/.ssh/id_dsa2、将密钥放在 ~/.ssh/authorized_keys$ cat ~/.ssh/id_dsa.pub >> ~/.ssh/authorized_keys3、对生成的文件authorized_keys授权chmod 600 ~/.ssh/authorized_keys4、编辑sshd_config文件,将下面三列#去掉vi...