1、ubuntu20.10 查看代号
hj@hj-vm-ubuntu:/etc/apt$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 20.10
Release: 20.10
Codename: groovy
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2、查看阿里云是否有该版本源
http://mirrors.aliyun.com/ubuntu/dists/
3、修改文件/etc/apt/sources.list的内容，全部替换如下数据 deb http://mirrors.aliyun.com/ubuntu/ groovy main restricted universe multiverse deb-src http://mirrors.aliyun.com/ubuntu/ groovy main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ groovy-security main restricted universe multiverse deb-src http://mirrors.aliyun.com/ubuntu/ groovy-security main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ groovy-updates main restricted universe multiverse deb-src http://mirrors.aliyun.com/ubuntu/ groovy-updates main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ groovy-proposed main restricted universe multiverse deb-src http://mirrors.aliyun.com/ubuntu/ groovy-proposed main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ groovy-backports main restricted universe multiverse deb-src http://mirrors.aliyun.com/ubuntu/ groovy-backports main restricted universe multiverse
4、更新源
sudo apt-get update ———————————————— 版权声明：本文为CSDN博主「vchost」的原创文章，遵循CC 4.0 BY-SA版权协议，转载请附上原文出处链接及本声明。 原文链接：https://blog.csdn.net/vchost/article/details/113914320
注意：本文归作者所有，未经作者允许，不得转载
