执行：（可以直接写成sudo su，就直接转成root了）
sudo apt-get update
apt-get install lrzsz
出现：The program 'yum' is currently not installed. You can install it by typing:
然后执行：
apt install yum
出现：Unable to fetch some archives, maybe run apt-get update or try with --fix-m
然后执行：
vim /etc/resolv.conf
添加 nameserver 8.8.8.8
再直接传送文件上去：rz