1.备份原有 cp /etc/apt/sources.list /etc/apt/sources.list.old 2.打开阿里巴巴镜像源: https://opsx.alibaba.com/mirror,打开帮助找到 ubuntu 16.04 配置如下 deb http://mirrors.aliyun.com/ubuntu/ xenial main deb-src http://mirrors.aliyun.com/ubuntu/ xenial main deb http://mirror…