TUN needs to be enabled before running this installer

问题描述：centos 运行./*.sh 的时候出现

The TUN device is not available 
You need to enable TUN before running this script

解决办法：文章源自玩技e族-https://www.playezu.com/28801.html

cd /dev
mkdir net
mknod net/tun c 10 200
chmod 0666 net/tun