$ /bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install.sh)"
curl: (7) Failed to connect to raw.githubusercontent.com port 443: Connection refused
$
sudo vi /etc/hosts
在最后一行添加199.232.68.133 raw.githubusercontent.com esc->:wq保持退出后,再运行
199.232.68.133 raw.githubusercontent.com
esc
:wq