1.查看Ubuntu的版本号, 应该是16.04, 对应的代号是xenial.
找到codename
lsb_release -a
2.备份内置数据源
cp /etc/apt/sources.list /etc/apt/sources.list_backup
3.编辑阿里云数据源
sudo vi /etc/apt/sources.list
deb http://mirrors.aliyun.com/ubuntu/ xenial main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ xenial-security main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ xenial-updates main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ xenial-backports main restricted universe multiverse
# 源码
deb-src http://mirrors.aliyun.com/ubuntu/ xenial main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ xenial-security main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ xenial-updates main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ xenial-backports main restricted universe multiverse
4.更新配置
sudo apt-get update
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原文链接：https://blog.csdn.net/lu900618/article/details/74955065