标签：Error: Failed to download metadata for repo ‘AppStream’
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阿里云服务器CentOS 8切换CentOS-Vault源教程
阿里云服务器CentOS 8操作系统已经结束生命周期EOL，yum会提示Error: Failed to download metadata for repo ‘App…
阿里云服务器CentOS 8操作系统已经结束生命周期EOL，yum会提示Error: Failed to download metadata for repo ‘App…
