1.两台可以相互传输文件的服务器A,B
cd ~/.ssh
- A服务器.ssh目录下生成密钥;
ssh-keygen -t rsa
3.生成一个公钥、一个私钥id_rsa.pub,id_rsa

4.将生成的密钥(id_rsa.pub)发送到B服务器上面;
scp id_rsa.pub username@ip:~/.ssh

5.B服务器上接收到的id_rsa.pub文件,追加到authorized_keys里面即可;
cat id_rsa.pub >>authorized_keys
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