华为云 Error: Failed to download metadata for repo ‘epel’:

在使用华为云Centos7.x服务时遇到Yum安装软件的问题,提示无法下载repo‘epel’的元数据。解决方法是更新Centos的基础仓库配置,通过执行一系列命令来替换yum源。具体步骤包括进入yum.repos.d目录,备份现有repo文件,下载新的CentOS-Base.repo文件,并用sed命令替换其中的releasever为8-stream,然后清理缓存并重新生成缓存。最后,可以尝试列出可用的软件包以确认问题是否已解决。

使用华为云Centos7.x服务Yum安装软件的时候提示错误:

Error: Failed to download metadata for repo ‘epel’: Cannot download repomd.xml

需要修改Centos的yum下载源配置,逐条执行以下命令对源进行替换即可:

cd /etc/yum.repos.d

mkdir yumbak

mv *.repo yumbak

wget -O /etc/yum.repos.d/CentOS-Base.repo https://repo.huaweicloud.com/repository/conf/CentOS-8-reg.repo

sed -i "s/\$releasever/8-stream/g" /etc/yum.repos.d/CentOS-Base.repo

yum clean all

yum makecache

yum list

[root@ceph ~]# sudo sed -e 's|https://download.ceph.com|https://mirrors.aliyun.com/ceph|g' \ > -i /etc/yum.repos.d/ceph.repo sed: can't read /etc/yum.repos.d/ceph.repo: No such file or directory [root@ceph ~]# sudo sed -e 's|https://download.ceph.com|https://mirrors.aliyun.com/ceph|g' -i /etc/yum.repos.d/ceph.repo sed: can't read /etc/yum.repos.d/ceph.repo: No such file or directory [root@ceph ~]# sudo tee /etc/yum.repos.d/ceph.repo <<'EOF' > [ceph] > name=Ceph packages for $basearch > baseurl=https://download.ceph.com/rpm-quincy/el8/$basearch > enabled=1 > gpgcheck=1 > gpgkey=https://download.ceph.com/keys/release.asc > > [ceph-noarch] > name=Ceph noarch packages > baseurl=https://download.ceph.com/rpm-quincy/el8/noarch > enabled=1 > gpgcheck=1 > gpgkey=https://download.ceph.com/keys/release.asc > EOF [ceph] name=Ceph packages for $basearch baseurl=https://download.ceph.com/rpm-quincy/el8/$basearch enabled=1 gpgcheck=1 gpgkey=https://download.ceph.com/keys/release.asc [ceph-noarch] name=Ceph noarch packages baseurl=https://download.ceph.com/rpm-quincy/el8/noarch enabled=1 gpgcheck=1 gpgkey=https://download.ceph.com/keys/release.asc [root@ceph ~]# sudo dnf install -y ceph-common ceph-base Ceph packages for x86_64 73 B/s | 146 B 00:02 Errors during downloading metadata for repository 'ceph': - Status code: 404 for https://download.ceph.com/rpm-quincy/el8/x86_64/repodata/repomd.xml (IP: 158.69.68.124) Error: Failed to download metadata for repo 'ceph': Cannot download repomd.xml: Cannot download repodata/repomd.xml: All mirrors were tried [root@ceph ~]# sudo dnf install -y ceph-common ceph-base Ceph packages for x86_64 74 B/s | 146 B 00:01 Errors during downloading metadata for repository 'ceph': - Status code: 404 for https://download.ceph.com/rpm-quincy/el8/x86_64/repodata/repomd.xml (IP: 158.69.68.124) Error: Failed to download metadata for repo 'ceph': Cannot download repomd.xml: Cannot download repodata/repomd.xml: All mirrors were tried
09-16
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