工具&方法Error: Failed to download metadata for repo ‘AppStream‘: Cannot prepare internal mirrorlist: No U… 下午服务器重装了，centos 7升级成centos8，然后出现了以下问题： Error: Failed to download metadata for repo 'AppStream': Cann... 05月01日1,233评论CentOS7 CentOS 8
1,233评论CentOS7 CentOS 8