# 安装工具
yum install bind-utils
# 获取 IP,取 "Non-authoritative answer" 下的 IP
nslookup github.global.ssl.fastly.net
nslookup github.com
nslookup assets-cdn.github.com
vim /etc/hosts
# 添加如下信息
31.13.69.169 global-ssl.fastly.net
20.205.243.166 github.com
185.199.110.153 assets-cdn.github.com
185.199.108.153 assets-cdn.github.com
185.199.111.153 assets-cdn.github.com
185.199.110.153 assets-cdn.github.com