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详细问题:
- <div>[constade@localhost yum.repos.d]$ sudo yum update
- CentOS Linux 8 - AppStream 0.0 B/s | 0 B 00:00
- Errors during downloading metadata for repository 'appstream':
- - Curl error (6): Couldn't resolve host name for http://mirror.cloud.aliyuncs.com/centos-vault/8.5.2111/AppStream/x86_64/os/repodata/repomd.xml [Could not resolve host: mirror.cloud.aliyuncs.com]</div>
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错误:为仓库 'appstream' 下载元数据失败 :
- Cannot download repomd.xml: Cannot download repodata/repomd.xml: All mirrors were tried
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下载最新的repo文件,从阿里云下载
- <div>sudo wget https://mirrors.aliyun.com/repo/Centos-vault-8.5.2111.repo -O /etc/yum.repos.d/Centos-vault-8.5.2111.repo
- sudo wget https://mirrors.aliyun.com/repo/epel-archive-8.repo -O /etc/yum.repos.d/epel-archive-8.repo</div>
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- <div>sed -i 's/mirrors.cloud.aliyuncs.com/mirrors.aliyun.com/g' /etc/yum.repos.d/Centos-vault-8.5.2111.repo
- sed -i 's/mirrors.cloud.aliyuncs.com/mirrors.aliyun.com/g' /etc/yum.repos.d/epel-archive-8.repo</div>
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- <div>yum clean all && yum makecache</div>
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