iterm2中ping下github.com和github.global.ssl.fastly.net
ping github.com
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$ ping github.com
得到
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PING github.com (192.30.253.112): 56 data bytes
64 bytes from 192.30.253.112: icmp_seq=0 ttl=47 time=245.930 ms
64 bytes from 192.30.253.112: icmp_seq=1 ttl=47 time=245.910 ms
记录ip 192.30.253.112
ping github.global.ssl.fastly.net
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$ ping github.global.ssl.fastly.net
记录ip 151.101.113.194
解决方法
编辑hosts文件
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$ vim /etc/hosts
加入这两行代码
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192.30.253.112 github.com
151.101.113.194 github.global.ssl.fastly.net
最后更新DNS缓存
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$ sudo dscacheutil -flushcache
