https://www.cnblogs.com/webnote/p/5877920.html
SCP 后台执行, 缺少一步，看下面的链接
https://www.cnblogs.com/xd502djj/archive/2009/06/25/1510966.html
Linux scp 设置nohup后台运行
https://cloud.tencent.com/developer/article/1431713
下面这个有效
https://blog.csdn.net/weixin_40403318/article/details/106923922
