backup
Some software's backup due to the F-word GFW.
- Homebrew 安装请使用下面替换清华软件源路径的文件：
ruby homebrew.rb; - 修改 Hosts 解决 raw.githubusercontent.com 的 DNS 污染导致任意需要此路径的软件（如 ohmyzsh 和 homebrew）安不上的问题。参见 https://zhuanlan.zhihu.com/p/108898992
Some software's backup due to the F-word GFW.
ruby homebrew.rb;