# 下面这个 Docker 的源 deb https://apt.dockerproject.org/repo ubuntu-xenial main
deb http://mirrors.aliyun.com/ubuntu/bionic main restricted universe multiverse deb-src http://mirrors.aliyun.com/ubuntu/bionic main restricted universe multiverse deb http://mirrors.aliyun.com/ubuntu/bionic-security main restricted universe multiverse deb-src http://mirrors.aliyun.com/ubuntu/bionic-security main restricted universe multiverse deb http://mirrors.aliyun.com/ubuntu/bionic-updates main restricted universe multiverse deb-src http://mirrors.aliyun.com/ubuntu/bionic-updates main restricted universe multiverse deb http://mirrors.aliyun.com/ubuntu/bionic-proposed main restricted universe multiverse deb-src http://mirrors.aliyun.com/ubuntu/bionic-proposed main restricted universe multiverse deb http://mirrors.aliyun.com/ubuntu/bionic-backports main restricted universe multiverse deb-src http://mirrors.aliyun.com/ubuntu/bionic-backports main restricted universe multiverse