SSH相关操作

#ssh key
ssh-keygen -t rsa -C "youremail@example.com"

#ssh相互认证
cat id_rsa.pub >> authorized_keys

#将本地的公钥放在服务器上，会要求输入密码
ssh lee@192.168.126.136 'mkdir -p .ssh && cat >> .ssh/authorized_keys' < ~/.ssh/id_rsa.pub