ssh 发送文件

https://blog.csdn.net/qq_42477169/article/details/141104477

1. 从本地传输文件到远程主机
   scp /path/to/local/file username@remote_host:/path/to/remote/directory/
2. 从远程主机传输文件到本地
   scp username@remote_host:/path/to/remote/file /path/to/local/directory/

----------------------------传输被拒绝: The authenticity of host 'IP' can't be established:ssh-----------------------------------
https://blog.csdn.net/weixin_33816611/article/details/90251790
vi /etc/ssh/ssh_config
StrictHostKeyChecking no
UserKnownHostsFile /dev/null
systemctl restart sshd