ubuntu 14.04: http://mirrors.aliyun.com/ubuntu-releases/14.04/ ubuntu 16.04: http://mirrors.aliyun.com/ubuntu-releases/16.04/ ubuntu 18.04: http://mirrors.aliyun.com/ubuntu-releases/18.04/
阿里镜像
Ubuntu阿里镜像
原文:https://www.cnblogs.com/wt7018/p/11913757.html