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@NewFuture
Created August 27, 2016 14:50
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curl -so /dev/null -w 'DNS:%{time_namelookup}\tConnect:%{time_connect}\tStart:%{time_starttransfer}\tTotal:%{time_total}\tSpeed:%{speed_download} byte/s\n' https://mirrors6.tuna.tsinghua.edu.cn/ubuntu/
curl -so /dev/null -w 'DNS:%{time_namelookup}\tConnect:%{time_connect}\tStart:%{time_starttransfer}\tTotal:%{time_total}\tSpeed:%{speed_download} byte/s\n' https://ipv6.mirrors.ustc.edu.cn/ubuntu/
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