更换 ubuntu16.04 安装源

1.备份

cd /etc/apt
sudo cp sources.list sources.list.backup

 

 

2.用新的文件替换掉soures.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

 

3.更新

sudo apt-get update