Ubuntu 如何更换阿里源

#进入源地址

cd /etc/apt

#备份源文件

sudo cp sources.list sources.list.bak

#编辑

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

#更新软件

sudo apt-get upgrade

ps：

一、系统中没有 vim 时，sudo apt-get install vim-gtk

二、修改系统时间 执行tzselect命令-->选择Asia-->选择China--> Beijing

　　执行cp /usr/share/zoneinfo/Asia/Shanghai  /etc/localtime，用 date 查看

参考：

https://blog.csdn.net/chen472015439/article/details/77327520

https://blog.csdn.net/u013399093/article/details/48030103