mac安装brew报错：curl: (7) Failed to connect to raw.githubusercontent.com port 443: Connection refused

1.输入sudo vim /etc/hosts，在hosts中添加199.232.68.133  raw.githubusercontent.comgit   2.输入命令：github /bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install.sh)"

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