ubuntu 更换清华源

 

1.备份ubuntu 中/etc/apt/sources.list

trp@DESKTOP-ET7Q9JO:~$ cd /etc/apt/
trp@DESKTOP-ET7Q9JO:/etc/apt$ sudo cp sources.list sources.list.bak

 

2 查看ubuntu版本，从 清华源地址为：https://mirrors.tuna.tsinghua.edu.cn/help/ubuntu/ 复制对应版本信息

trp@DESKTOP-ET7Q9JO:~$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description:    Ubuntu 20.04.1 LTS
Release:        20.04
Codename:       focal

 

# 默认注释了源码镜像以提高 apt update 速度，如有需要可自行取消注释
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

# 预发布软件源，不建议启用
# deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-proposed main restricted universe multiverse
# deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-proposed main restricted universe multiverse

 

3 sudo apt-get update 更新源

trp@DESKTOP-ET7Q9JO:/etc/apt$ sudo apt-get update

 

posted on 2020-09-28 17:03  trp  阅读(2242)  评论(0)  编辑  收藏  举报

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