Find the fastest Ubuntu repository

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wget http://ftp.us.debian.org/debian/pool/main/n/netselect/netselect_0.3.ds1-30+b1_amd64.deb
sudo dpkg -i netselect_0.3.ds1-30+b1_amd64.deb

netselect -s 20 -t 40 $(wget -qO - mirrors.ubuntu.com/mirrors.txt)