#進入源地址
cd /etc/apt
#備份源文件
sudo cp sources.list sources.list.bak
#編輯
sudo vim /etc/apt/sources.list
deb http://mirrors.aliyun.com/ubuntu/ xenial main restricted universe multiverse deb http://mirrors.aliyun.com/ubuntu/ xenial-security main restricted universe multiverse deb http://mirrors.aliyun.com/ubuntu/ xenial-updates main restricted universe multiverse deb http://mirrors.aliyun.com/ubuntu/ xenial-backports main restricted universe multiverse deb-src http://mirrors.aliyun.com/ubuntu/ xenial main restricted universe multiverse deb-src http://mirrors.aliyun.com/ubuntu/ xenial-security main restricted universe multiverse deb-src http://mirrors.aliyun.com/ubuntu/ xenial-updates main restricted universe multiverse deb-src http://mirrors.aliyun.com/ubuntu/ xenial-backports main restricted universe multiverse
#更新源
sudo apt-get update
#更新軟件
sudo apt-get upgrade
ps：
1、系統中沒有 vim 時，sudo apt-get install vim-gtk
2、修改系統時間 執行tzselect命令-->選擇Asia-->選擇China--> Beijing
執行cp /usr/share/zoneinfo/Asia/Shanghai /etc/localtime，用 date 查看
參考：
https://blog.csdn.net/chen472015439/article/details/77327520
https://blog.csdn.net/u013399093/article/details/48030103