
参考链接: 阿里巴巴开源镜像站 阿里云 ubuntu镜像源
1、图形化界面配置操作 图形化Ubuntu操作系统安装步骤
参考链接: Ubuntu 20.04安装过程
如果安装图形化界面的Ubuntu系统的话,推荐使用此方法。 使用图形界面配置操作步骤:
使用图形界面配置操作步骤: 系统设置 -> 软件和更新 选择下载服务器 -> "mirrors.aliyun.com"
(1)打开Ubuntu系统。








root@xyb-virtual-machine:~# cp /etc/apt/sources.list /etc/apt/sources.list.backup

(2)手动修改源文件。
用熟悉的编辑器打开: /etc/apt/sources.list 替换默认的 archive.ubuntu.com/ 为mirrors.aliyun.comroot@xyb-virtual-machine:~# vi /etc/apt/sources.listubuntu 20.04(focal) 配置如下
deb http://mirrors.aliyun.com/ubuntu/ focal main restricted universe multiverse deb-src http://mirrors.aliyun.com/ubuntu/ focal main restricted universe multiverse deb http://mirrors.aliyun.com/ubuntu/ focal-security main restricted universe multiverse deb-src http://mirrors.aliyun.com/ubuntu/ focal-security main restricted universe multiverse deb http://mirrors.aliyun.com/ubuntu/ focal-updates main restricted universe multiverse deb-src http://mirrors.aliyun.com/ubuntu/ focal-updates main restricted universe multiverse deb http://mirrors.aliyun.com/ubuntu/ focal-proposed main restricted universe multiverse deb-src http://mirrors.aliyun.com/ubuntu/ focal-proposed main restricted universe multiverse deb http://mirrors.aliyun.com/ubuntu/ focal-backports main restricted universe multiverse deb-src http://mirrors.aliyun.com/ubuntu/ focal-backports main restricted universe multiverse

root@xyb-virtual-machine:~ # apt-get update
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