CentOS Linux 8 - AppStream 7.3 kB/s | 2.3 kB 00:00
Errors during downloading metadata for repository ‘a(chǎn)ppstream’:

Status code: 404 for http://mirrors.cloud.aliyuncs.com/centos/8/AppStream/x86_64/os/repodata/repomd.xml (IP: 100.100.2.148)
錯(cuò)誤：為 repo ‘a(chǎn)ppstream’ 下載元數(shù)據(jù)失敗 : Cannot download repomd.xml: Cannot download repodata/repomd.xml: All mirrors were tried
解決方案：
1、進(jìn)入 /etc/yum.repos.d

cd /etc/yum.repos.d
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2、刪除文件

rm -f *.repo
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3、設(shè)置

curl -o /etc/yum.repos.d/CentOS-Base.repo https://mirrors.aliyun.com/repo/Centos-vault-8.5.2111.repo
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4、緩存

yum makecache

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2
5、安裝包

yum install vim
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原文鏈接：https://blog.csdn.net/will_net/article/details/124458114