查看新版本信息
lsb_release -c
Ubuntu 12.04 (LTS)代號為precise。
Ubuntu 14.04 (LTS)代號為trusty。
Ubuntu 15.04 代號為vivid。
Ubuntu 15.10 代號為wily。
Ubuntu 16.04 (LTS)代號為xenial
1.備份源文件
sudo cp /etc/apt/sources.list /etc/apt/sources.list.bak
2.編輯源列表文件
sudo vim /etc/apt/sources.list
3.將原有的內容注釋掉，添加以下內容（或修改）
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-backports main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ bionic-backports 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
4.更新軟件列表
sudo apt-get update