Ubuntu如何换源？
作者：互联网
1、进入root权限用户
1| su
root前
root后
2、备份源文件
1| sudo cp -v /etc/apt/sources.list /etc/apt/sources.list.backup
3、修改源文件
1| vim /etc/apt/sources.list
tips：如果出现Command 'vim' not found,but can be install with:
可以安装一下vim
1| apt install vim
进入大概是这样的界面
然后一直按 d 直到界面是空为止
然后按 i 进入编辑模式
复制文章下面的源，然后鼠标右键粘贴
然后按Esc退出编辑
输入 :wq* 退出
4、更新源
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal main restricted universe multiverse
点击查看代码
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal main restricted universe multiverse
# deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal main restricted universe multiverse
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-updates main restricted universe multiverse
# deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-updates main restricted universe multiverse
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-backports main restricted universe multiverse
# deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-backports main restricted universe multiverse
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-security main restricted universe multiverse
# deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-security main restricted universe multiverse
标签：cn,mirrors,restricted,edu,如何,换源,https,Ubuntu,multiverse 来源： https://www.cnblogs.com/lilbai518/p/15970237.html