linux sharedfolder

1. 设置共享宿主文件夹

sudo modprobe vboxsf

sudo mount -t vboxsf (your windows folder，alias name you set in virtual box) (your linux folder， including path)

demo：

sudo mount -t vboxsf fileshare /home/hz/winshare; //home/hz can be accessed by type "cd ~" in terminal

2. Ubuntu安装python最新版本