＠1 FZUG

https://github.com/FZUG/repo/wiki/%E6%B7%BB%E5%8A%A0-FZUG-%E6%BA%90

wget http://repo.fdzh.org/FZUG/FZUG.repo -P /etc/yum.repos.d/ 

@2 ALIYUN

http://mirrors.aliyun.com/repo/

出现这个问题了：

disabling.

Failed to connect to 127.0.0.1 port 33945: Connection refused

参见 https://ask.fedoraproject.org/en/question/92573/failed-to-synchronize-cache-for-repo/

追加

DNF has been trying to use IPv6 to download repo data, which my router doesn't support. To fix it, I added:

ip_resolve=4

to /etc/dnf/dnf.conf