ubuntu 16.04换阿里云源

sources.list

cd /etc/apt/
cp sources.list sources.list.bak

# 替换以下文件 #

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  
##测试版源  
deb http://mirrors.aliyun.com/ubuntu/ xenial-proposed 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  
##测试版源  
deb-src http://mirrors.aliyun.com/ubuntu/ xenial-proposed main restricted universe multiverse



第三步：更新源和软件

sudo apt-get update 更新源  
sudo apt-get upgrade 更新软件 


# https://www.skiy.net/201805035157.html
sudo vi /etc/apt/sources.list
:%s#cn\.archive\.ubuntu\.com#mirrors\.aliyun\.com#g
sudo apt update

cp /etc/apt/sources.list /etc/apt/sourses.list.backup && \
    sed -ri 's#[^/]+?.ubuntu.com#mirrors.aliyun.com#' /etc/apt/sources.list