首先，第一步切换源：
切换 brew.git 仓库地址：
cd "$(brew --repo)"
git remote set-url origin https://mirrors.aliyun.com/homebrew/brew.git
替换 homebrew-core.git 仓库地址:
cd "$(brew --repo)/Library/Taps/homebrew/homebrew-core"
git remote set-url origin https://mirrors.aliyun.com/homebrew/homebrew-core.git
在替换 homebrew-bottles 访问地址之前首先检测本机是什么shell版本
echo $SHELL
输出 /bin/zsh 执行下面这个
echo 'export HOMEBREW_BOTTLE_DOMAIN=https://mirrors.aliyun.com/homebrew/homebrew-bottles' >> ~/.zshrc
source ~/.zshrc
如果是输出 /bin/bash 执行下面这个
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echo 'export HOMEBREW_BOTTLE_DOMAIN=https://mirrors.aliyun.com/homebrew/homebrew-bottles' >> ~/.bash_profile
source ~/.bash_profile在切换完上面各镜像后，执行下方指令查看是否成功
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brew update无法成功的话，执行下面一串代码
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brew doctor出现一系列问题之后继续走
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brew update-reset再更新
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brew update还是不行的话，就删除homebrew-core就可以了
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cd /usr/local/Homebrew/Library/Taps/homebrew
rm -rf homebrew-core
brew upgrade使用brew upgrade会重新更新 homebrew-core。安装速度太慢的话马上让终端运行停下来，走下列指令
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cd /usr/local/Homebrew/Library/Taps
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mkdir homebrew
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git clone git://mirrors.ustc.edu.cn/homebrew-core.git
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/bin/bash -c "$(curl -fsSL https://cdn.jsdelivr.net/gh/ineo6/homebrew-install/install.sh)"最后执行
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brew update安装Nginx
安装prce
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brew install pcre安装zlib
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brew install zlib安装openssl
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brew install openssl下载Nginx
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brew install nginx启动nginx
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sudo nginx4 成果展示
最终激动人心的时刻到了。
在浏览器输入 http://localhost:8080/
Nginx相关操作指令
启动Nginx：sudo systemctl start nginx
停止Nginx：sudo systemctl stop nginx
重启Nginx：sudo systemctl restart nginx
查看Nginx状态：sudo systemctl status nginx
测试配置文件是否正确：sudo nginx -t
重新加载Nginx配置文件：sudo systemctl reload nginx
查看Nginx版本号：nginx -v
查看Nginx帮助文档：nginx -h
本文参考链接 ==》MacOS全套详细介绍如何下载Nginx