Centos新系统按照官网安装openstack 出现 failure: repodata/repomd.xml from centos-qemu-ev 错误

最新推荐文章于 2024-10-10 12:28:14 发布
原创 最新推荐文章于 2024-10-10 12:28:14 发布 · 2.5k 阅读 · 1 ·
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#云计算 #yum #update #upgrade

本文介绍了在新系统安装后遇到的failure:repodata/repomd.xmlfromcentos-qemu-ev:[Errno256]Nomoremirrorstotry.问题，并提供了通过先执行yum update再按照官方指南进行操作的解决方案。

新系统安装后出现

failure: repodata/repomd.xml from centos-qemu-ev: [Errno 256] No more mirrors to try.错误

安装系统之后先 yum update

之后再按照官网教程操作

yum镜像源问题：File contains no section headers.
C-A-L-D
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报：File contains no section headers. 原因是没有配置yum源！解决如下： 第一种方案： 修改/etc/yum.repos.d/CenOS-Base.repo文件内容如下: #CentOS-Base.repo # #ThemirrorsystemusestheconnectingIPaddressoftheclienta...
【运行报错】CentOS 7.5 yum 源报错：repomd.xml: [Errno 14] HTTP Error 404 - Not Found
coolcoolcool
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1. 报错信息： yum 源可能会报错 [root@controller ~]# yum makecache Loaded plugins: fastestmirror base | 5.6 kB 00:00:00 failure: repodata/repomd.xml from centos-ceph-luminous: [Errno 256] No mor
failure: repodata/repomd.xml from base: [Errno 256] No more mirrors to try.
wei_bo_cai的博客
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异常 yum makecache failure: repodata/repomd.xml from base: [Errno 256] No more mirrors to try. http://mirrors.aliyun.com/centos/$releasever/os/x86_64/repodata/repomd.xml: [Errno 14] HTTP Error 404 - N...
centos-release-qemu-ev-1.0-4.el7.centos.noarch.rpm
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离线安装包，亲测可用
failure: repodata/repomd.xml from base: [Errno 256] No more mirrors to try.成功解决版
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yum install -y ntpdate Loaded plugins: fastestmirror Determining fastest mirrors Could not retrieve mirrorlist http://mirrorlist.centos.org/?release=7&arch=x86_64&repo=os&infra=stock error was 14: curl#6 - "Could not resolve host: mirrorlist.centos.org;
kubernetes 系列软件yum源
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docker-ce.repo [docker-ce-stable] name=Docker CE Stable - $basearch baseurl=https://mirrors.aliyun.com/docker-ce/linux/centos/7/$basearch/stable enabled=1 gpgcheck=1 gpgkey=https://mirrors.ali...
[root@controller-06 ~]# yum install openstack-cinder -y 已加载插件：fastestmirror Loading mirror speeds from cached hostfile https://mirrors.tuna.tsinghua.edu.cn/epel/7/x86_64/repodata/repomd.xml: [Errno 14] HTTPS Error 404 - Not Found 正在尝试其它镜像。 To address this issue please refer to the below wiki article https://wiki.centos.org/yum-errors If above article doesn't help to resolve this issue please use https://bugs.centos.org/. One of the configured repositories failed (Extra Packages for Enterprise Linux 7 - x86_64), and yum doesn't have enough cached data to continue. At this point the only safe thing yum can do is fail. There are a few ways to work "fix" this: 1. Contact the upstream for the repository and get them to fix the problem. 2. Reconfigure the baseurl/etc. for the repository, to point to a working upstream. This is most often useful if you are using a newer distribution release than is supported by the repository (and the packages for the previous distribution release still work). 3. Run the command with the repository temporarily disabled yum --disablerepo=epel ... 4. Disable the repository permanently, so yum won't use it by default. Yum will then just ignore the repository until you permanently enable it again or use --enablerepo for temporary usage: yum-config-manager --disable epel or subscription-manager repos --disable=epel 5. Configure the failing repository to be skipped, if it is unavailable. Note that yum will try to contact the repo. when it runs most commands, so will have to try and fail each time (and thus. yum will be be much slower). If it is a very temporary problem though, this is often a nice compromise: yum-config-manager --save --setopt=epel.skip_if_unavailable=true failure: repodata/repomd.xml from epel: [Errno 256] No more mirrors to try. https://mirrors.tuna.tsinghua.edu.cn/epel/7/x86_64/repodata/repomd.xml: [Errno 14] HTTPS Error 404 - Not Found
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如果遇到 `repomd.xml` 文件报 404 错误，可能是因为这些仓库已经不再维护或迁移到了新的位置。可以检查 `/etc/yum.repos.d/` 目录下的相关配置文件，例如 `CentOS-QEMU-EV.repo` 和 `epel.repo`。 确保这些文件中...
单机部署： 1、环境：centos7.9 4cpu 8G 静态ip、主机名 hosts文件 2） hostnamectl set-hostname openstack01 echo "113.44.223.5 openstack01 openstack01.test.com" >> /etc/hosts source /etc/profile systemctl disable firewalld systemctl stop firewalld systemctl disable NetworkManager systemctl stop NetworkManager sed -r -i '/^[ \t]*SELINUX=/c\SELINUX=disabled' /etc/selinux/config #重启生效 setenforce 0 ------建议给虚拟机做个快照，安装失败后可以和还原快照 3）安装：train版本 先更换yum源 cd /etc/yum.repos.d mkdir bak mv * bak curl -o /etc/yum.repos.d/CentOS-Base.repo https://mirrors.aliyun.com/repo/Centos-7.repo yum update -y #可选 yum install -y centos-release-openstack-train # 安装后会自动配置yum仓库 CentOS-NFS-Ganesha-28.repo CentOS-OpenStack-train.repo CentOS-Ceph-Nautilus.repo CentOS-QEMU-EV.repo 将mirrorlist注释掉，启用baseurl 将生成的repo文件中的地址，mirror.centos.org换成mirrors.aliyun.com 设置gpgcheck=0 4）安装：packstack（OpenStack自动化安装程序） yum install -y openstack-packstack 5）执行：packstack命令的all in one一体化安装部署 packstack --allinone **** 安装成功**** 6）网络配置（配置网桥） cd /etc/sysconfig/network-scripts/ vim ifcfg-br-ex #创建br-ex网桥的配置文件 BOOTPROTO=none DEFROUTE=yes NAME=br-ex DEVICE=br-ex ONBOOT=yes PEERDNS=no NM_CONTROLLED=no IPADDR=192.168.200.10 PREFIX=24 GATEWAY=192.168.200.2 DNS1=192.168.200.2 修改原网卡的配置文件 # cat ifcfg-ens33 DEVICE=ens33 ONBOOT=yes DEVICETYPE=ovs TYPE=OVSPort OVS_BRIDGE=br-ex 重启网卡服务 7）登录云平台 访问 服务ip地址 [root@openstack01 ~]# cat /root/keystonerc_admin ....... export OS_USERNAME=admin #用户名 export OS_PASSWORD='e6289388550f4fd0' # 密码 根据这个帮我写出详细步骤
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在 CentOS 7.9 环境中，YUM 源配置错误可能导致 `http://mirrors.aliyun.com/altarch/7/storage/x86_64/ceph-nautilus/repodata/repomd.xml` 返回 HTTP 404 错误。这是因为某些仓库已被废弃或不再支持 CentOS 7.9。...
openstack官网安装记录错误
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控制节点安装中的常见问题yum info centos-relese-openstack-*查看可用openstack版本源yum install -y centos-relese-openstack-queens安装queens源[root@controller-1 yum.repos.d]# yum upgrade已加载插件：fastestmirrorDetermining fastest m...
Openstack基础环境配置（七）：手动安装配置nova组件(计算节点)
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qemu-kvm-ev-2.12.0-18.el7_6.3.1.src.rpm -> CentOS7.0
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qemu-kvm-ev-2.12.0-18.el7_6.3.1.src.rpm是CentOS7的qemu-kvm源码文件
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