Recently ubuntu system is broken, want to download a, but also download speed is really Mana than a snail! We can not endure!
show out of your resources:
Download resources, these sites can download speeds to about 2M, or than the speed of 120kb prior to 3kb big part of the upgrade.
https://www.cnblogs.com/lshan/p/11599234.html
Caka: https://blog.csdn.net/kwame211/article/details/83902851
Official Download (not recommended)
https://www.ubuntu.com/download
USTC source
http://mirrors.ustc.edu.cn/ubuntu-releases/16.04/
Ali cloud open mirror sites
http://mirrors.aliyun.com/ubuntu-releases/16.04/
Lanzhou University open mirror sites
http://mirror.lzu.edu.cn/ubuntu-releases/16.04/
Beijing Institute of Technology Open Source
http://mirror.bit.edu.cn/ubuntu-releases/16.04/
Zhejiang University
http://mirrors.zju.edu.cn/ubuntu-releases/16.04/
Unknown mirror sites
http://mirror.pnl.gov/releases/xenial/
Various versions of the download URL:
http://mirrors.melbourne.co.uk/ubuntu-releases/
Several open source mirroring can reach speeds fast, then 2-3M / s, we can all try.