### 修改源命令：

sudo vi /etc/apt/source.list

### 把source.list内容替换成下面其中一个源

##阿里云deb http://mirrors.aliyun.com/ubuntu/ zesty main restricted universe multiversedeb http://mirrors.aliyun.com/ubuntu/ zesty-security main restricted universe multiversedeb http://mirrors.aliyun.com/ubuntu/ zesty-updates main restricted universe multiversedeb http://mirrors.aliyun.com/ubuntu/ zesty-backports main restricted universe multiversedeb http://mirrors.aliyun.com/ubuntu/ zesty-proposed main restricted universe multiversedeb-src http://mirrors.aliyun.com/ubuntu/ zesty main restricted universe multiversedeb-src http://mirrors.aliyun.com/ubuntu/ zesty-security main restricted universe multiversedeb-src http://mirrors.aliyun.com/ubuntu/ zesty-updates main restricted universe multiversedeb-src http://mirrors.aliyun.com/ubuntu/ zesty-backports main restricted universe multiversedeb-src http://mirrors.aliyun.com/ubuntu/ zesty-proposed main restricted universe multiversedeb http://archive.canonical.com/ubuntu/ zesty partnerdeb http://extras.ubuntu.com/ubuntu/ zesty main##Ubuntu官方中国deb http://cn.archive.ubuntu.com/ubuntu/ zesty main restricted universe multiversedeb http://cn.archive.ubuntu.com/ubuntu/ zesty-security main restricted universe multiversedeb http://cn.archive.ubuntu.com/ubuntu/ zesty-updates main restricted universe multiversedeb http://cn.archive.ubuntu.com/ubuntu/ zesty-backports main restricted universe multiversedeb http://cn.archive.ubuntu.com/ubuntu/ zesty-proposed main restricted universe multiversedeb-src http://cn.archive.ubuntu.com/ubuntu/ zesty main restricted universe multiversedeb-src http://cn.archive.ubuntu.com/ubuntu/ zesty-security main restricted universe multiversedeb-src http://cn.archive.ubuntu.com/ubuntu/ zesty-updates main restricted universe multiversedeb-src http://cn.archive.ubuntu.com/ubuntu/ zesty-backports main restricted universe multiversedeb-src http://cn.archive.ubuntu.com/ubuntu/ zesty-proposed main restricted universe multiversedeb http://archive.canonical.com/ubuntu/ zesty partnerdeb http://extras.ubuntu.com/ubuntu/ zesty main##网易源deb http://mirrors.163.com/ubuntu/ zesty main restricted universe multiversedeb http://mirrors.163.com/ubuntu/ zesty-security main restricted universe multiversedeb http://mirrors.163.com/ubuntu/ zesty-updates main restricted universe multiversedeb http://mirrors.163.com/ubuntu/ zesty-backports main restricted universe multiversedeb http://mirrors.163.com/ubuntu/ zesty-proposed main restricted universe multiversedeb-src http://mirrors.163.com/ubuntu/ zesty main restricted universe multiversedeb-src http://mirrors.163.com/ubuntu/ zesty-security main restricted universe multiversedeb-src http://mirrors.163.com/ubuntu/ zesty-updates main restricted universe multiversedeb-src http://mirrors.163.com/ubuntu/ zesty-backports main restricted universe multiversedeb-src http://mirrors.163.com/ubuntu/ zesty-proposed main restricted universe multiversedeb http://archive.canonical.com/ubuntu/ zesty partnerdeb http://extras.ubuntu.com/ubuntu/ zesty main

第二种方法直接在界面打开：

再进入software&updates：

选择自己所需要的源，

过程完成，说明更新完成。

以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持。