生成SSH 登录授权文件

ssh-keygen -t rsa

一路回车

cat ~/.ssh/id_rsa.pub | ssh user@目标hostname 'cat >> .ssh/authorized_keys'

登录测试

ssh -i ~/.ssh/id_rsa user@目标hostname
scp -i ~/.ssh/id_rsa ~/test.txt user@目标hostname:/home/test/test.txt

搞定，不用再用 sshpass 了