CentOS 7 修改yum镜像

CentOS 7 yum无法使用解决方法Could not retrieve mirrorlist http://mirrorlist.centos.org/?release=7&arch= - 愚生浅末 - 博客园

Loading mirror speeds from cached hostfile 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; 未知的错误\"

问题原因

出现这个错误是因为使用的 CentOS 7 仓库已经被归档，当前的镜像地址无法找到所需的文件。CentOS 7 的官方支持已经结束，部分仓库已被移至归档库。这导致了你的 yum 命令无法找到所需的元数据文件。CentOS 7 的官方仓库在 2024 年 6 月 30 日之后已经停止维护。因此，使用最新的 CentOS 7 官方仓库可能会遇到问题。

cd /etc/yum.repos.dcp CentOS-Base.repo CentOS-Base.repo.backupvi CentOS-Base.repo# CentOS-Base.repo## The mirror system uses the connecting IP address of the client and the# update status of each mirror to pick mirrors that are updated to and# geographically close to the client. You should use this for CentOS updates# unless you are manually picking other mirrors.## If the mirrorlist= does not work for you, as a fall back you can try the # remarked out baseurl= line instead.## [base]name=CentOS-$releasever - Base#mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=os&infra=$infra#baseurl=http://mirror.centos.org/centos/$releasever/os/$basearch/#baseurl=http://vault.centos.org/7.9.2009/x86_64/os/baseurl=http://vault.centos.org/7.9.2009/os/$basearch/gpgcheck=1gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7 #released updates [updates]name=CentOS-$releasever - Updates#mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=updates&infra=$infra#baseurl=http://mirror.centos.org/centos/$releasever/updates/$basearch/#baseurl=http://vault.centos.org/7.9.2009/x86_64/os/baseurl=http://vault.centos.org/7.9.2009/updates/$basearch/gpgcheck=1gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7 #additional packages that may be useful[extras]name=CentOS-$releasever - Extras#mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=extras&infra=$infra#$baseurl=http://mirror.centos.org/centos/$releasever/extras/$basearch/#baseurl=http://vault.centos.org/7.9.2009/x86_64/os/baseurl=http://vault.centos.org/7.9.2009/extras/$basearch/gpgcheck=1gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7 #additional packages that extend functionality of existing packages[centosplus]name=CentOS-$releasever - Plus#mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=centosplus&infra=$infra#baseurl=http://mirror.centos.org/centos/$releasever/centosplus/$basearch/#baseurl=http://vault.centos.org/7.9.2009/x86_64/os/baseurl=http://vault.centos.org/7.9.2009/centosplus/$basearch/gpgcheck=1enabled=0gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7

curl -o /etc/yum.repos.d/CentOS-Base.repo https://mirrors.aliyun.com/repo/Centos-7.reposudo yum clean allsudo yum makecache