# deb cdrom:[Ubuntu 16.04 LTS _Xenial Xerus_ - Release amd64 (20160420.1)]/ bionic main restricted deb-src http://archive.ubuntu.com/ubuntu bionic main restricted #Added by software-properties deb http://mirrors.aliyun.com/ubuntu/ bionic main restricted deb-src http://mirrors.aliyun.com/ubuntu/ bionic main restricted multiverse universe #Added by software-properties deb http://mirrors.aliyun.com/ubuntu/ bionic-updates main restricted deb-src http://mirrors.aliyun.com/ubuntu/ bionic-updates main restricted multiverse universe #Added by software-properties deb http://mirrors.aliyun.com/ubuntu/ bionic universe deb http://mirrors.aliyun.com/ubuntu/ bionic-updates universe deb http://mirrors.aliyun.com/ubuntu/ bionic multiverse deb http://mirrors.aliyun.com/ubuntu/ bionic-updates 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 #Added by software-properties deb http://archive.canonical.com/ubuntu bionic partner deb-src http://archive.canonical.com/ubuntu bionic partner deb http://mirrors.aliyun.com/ubuntu/ bionic-security main restricted deb-src http://mirrors.aliyun.com/ubuntu/ bionic-security main restricted multiverse universe #Added by software-properties deb http://mirrors.aliyun.com/ubuntu/ bionic-security universe deb http://mirrors.aliyun.com/ubuntu/ bionic-security multiverse