Env：
ubuntu虚拟机之间采用桥接网络
原路径：192.168.112.30:/local/trainer
新路径: 192.168.112.31:/local/test
scp [args] [original path] [dest path]
$scp –r user_name@192.168.112.30:/local/trainer /local/test/
input ‘yes’
input passwd
原文：https://www.cnblogs.com/sayiqiu/p/10594637.html