配置無密碼登陸本機

ssh-keygen -t rsa -P '' -f ~/.ssh/id_rsa

cat ~/.ssh/id_rsa.pub >> ~/.ssh/authorized_keys

chmod 0600 ~/.ssh/authorized_keys

然后將~/.ssh/id_rsa.pub即公鑰發送到對端機器，然后對端機器執行

cat ~/id_rsa.pub >> ~/.ssh/authorized_keys

即可