Ubuntu更换软件源

更换软件源
打开终端

sudo gedit /etc/apt/sources.list

将以下内容复制粘贴，建议原件可先备份

# deb cdrom:[Ubuntu 16.04.1 LTS _Xenial Xerus_ - Release amd64 (20160719)]/ xenial main restricted# See http://help.ubuntu.com/community/UpgradeNotes for how to upgrade to# newer versions of the distribution.deb http://mirrors.aliyun.com/ubuntu/ xenial main restricted# deb-src http://cn.archive.ubuntu.com/ubuntu/ xenial main restricted## Major bug fix updates produced after the final release of the## distribution.deb http://mirrors.aliyun.com/ubuntu/ xenial-updates main restricted# deb-src http://cn.archive.ubuntu.com/ubuntu/ xenial-updates main restricted## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu## team, and may not be under a free licence. Please satisfy yourself as to## your rights to use the software. Also, please note that software in## universe WILL NOT receive any review or updates from the Ubuntu security## team.deb http://mirrors.aliyun.com/ubuntu/ xenial universe# deb-src http://cn.archive.ubuntu.com/ubuntu/ xenial universedeb http://mirrors.aliyun.com/ubuntu/ xenial-updates universe# deb-src http://cn.archive.ubuntu.com/ubuntu/ xenial-updates universe## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu ## team, and may not be under a free licence. Please satisfy yourself as to ## your rights to use the software. Also, please note that software in ## multiverse WILL NOT receive any review or updates from the Ubuntu## security team.deb http://mirrors.aliyun.com/ubuntu/ xenial multiverse# deb-src http://cn.archive.ubuntu.com/ubuntu/ xenial multiversedeb http://mirrors.aliyun.com/ubuntu/ xenial-updates multiverse# deb-src http://cn.archive.ubuntu.com/ubuntu/ xenial-updates multiverse## N.B. software from this repository may not have been tested as## extensively as that contained in the main release, although it includes## newer versions of some applications which may provide useful features.## Also, please note that software in backports WILL NOT receive any review## or updates from the Ubuntu security team.deb http://mirrors.aliyun.com/ubuntu/ xenial-backports main restricted universe multiverse# deb-src http://cn.archive.ubuntu.com/ubuntu/ xenial-backports main restricted universe multiverse## Uncomment the following two lines to add software from Canonical's## 'partner' repository.## This software is not part of Ubuntu, but is offered by Canonical and the## respective vendors as a service to Ubuntu users.# deb http://archive.canonical.com/ubuntu xenial partner# deb-src http://archive.canonical.com/ubuntu xenial partnerdeb http://mirrors.aliyun.com/ubuntu/ xenial-security main restricted# deb-src http://security.ubuntu.com/ubuntu xenial-security main restricteddeb http://mirrors.aliyun.com/ubuntu/ xenial-security universe# deb-src http://security.ubuntu.com/ubuntu xenial-security universedeb http://mirrors.aliyun.com/ubuntu/ xenial-security multiverse# deb http://mirrors.163.com/ubuntu/ precise main universe restricted multiverse# deb-src http://mirrors.163.com/ubuntu/ precise main universe restricted multiverse# deb http://mirrors.163.com/ubuntu/ precise-security universe main multiverse restricted# deb-src http://mirrors.163.com/ubuntu/ precise-security universe main multiverse restricted# deb http://mirrors.163.com/ubuntu/ precise-updates universe main multiverse restricted# deb http://mirrors.163.com/ubuntu/ precise-proposed universe main multiverse restricted# deb-src http://mirrors.163.com/ubuntu/ precise-proposed universe main multiverse restricted# deb http://mirrors.163.com/ubuntu/ precise-backports universe main multiverse restricted# deb-src http://mirrors.163.com/ubuntu/ precise-backports universe main multiverse restricted# deb-src http://mirrors.163.com/ubuntu/ precise-updates universe main multiverse restricted# deb-src http://security.ubuntu.com/ubuntu xenial-security multiverse# deb cdrom:[Ubuntu 16.04 LTS _Xenial Xerus_ - Release amd64 (20160420.1)]/ xenial main restricteddeb-src http://mirrors.aliyun.com/ubuntu/ xenial main restricted #Added by software-propertiesdeb-src http://mirrors.aliyun.com/ubuntu/ xenial multiverse universe #Added by software-propertiesdeb-src http://mirrors.aliyun.com/ubuntu/ xenial-updates main restricted multiverse universe #Added by software-propertiesdeb-src http://mirrors.aliyun.com/ubuntu/ xenial-backports main restricted universe multiverse #Added by software-propertiesdeb http://archive.canonical.com/ubuntu xenial partnerdeb-src http://archive.canonical.com/ubuntu xenial partnerdeb-src http://mirrors.aliyun.com/ubuntu/ xenial-security main restricted multiverse universe #Added by software-properties

执行更新

sudo get-apt update