Under Mac Homebrew replacement mirror

Alternatively git mirror source and homebrew

A, git accelerate

1. Find the address corresponding to the domain name
   nslookup github.com
   nslookup github.global.ssl.fastly.Net

2. Modify the hosts file

   sudo vim /etc/hosts
   # add two lines at the end.
   31.13.66.1 github.global.ssl.fastly.net 
   13.229.188.59 github.com

3. Flush the DNS cache (depending on your operating system selection)

   # Mac
   sudo killall -HUP mDNSResponder
   # linux
   sudo /etc/init.d/networking restart

Two, homebrew replaced Tsinghua mirroring

Tsinghua mirror sites: Tsinghua mirror sites

homebrew replace Guide: Help Documentation

git -C "$(brew --repo)" remote set-url origin https://mirrors.tuna.tsinghua.edu.cn/git/homebrew/brew.git
git -C "$(brew --repo homebrew/core)" remote set-url origin https://mirrors.tuna.tsinghua.edu.cn/git/homebrew/homebrew-core.git
git -C "$(brew --repo homebrew/cask)" remote set-url origin https://mirrors.tuna.tsinghua.edu.cn/git/homebrew/homebrew-cask.git
brew update