Centos8可用的repo文件下载yum源文件

centos8不更新了，导致好多软件也装不了，连wget也安装不了

删除yum.repos.d 下的所以文件

rm -rf /etc/yum.repos.d/*

新建repo文件

[root@centos8-hkping /]#vim /etc/yum.repos.d/Centos-8.repo
[BaseOS]
name=CentOS-$releasever - Base
baseurl=http://mirrors.cloud.tencent.com/centos/$releasever/BaseOS/$basearch/os/
       http://mirrors.163.com/centos/$releasever/BaseOS/$basearch/os/
       https://mirrors.tuna.tsinghua.edu.cn/centos/$releasever/BaseOS/$basearch/os/
       https://mirrors.ustc.edu.cn/centos/$releasever/BaseOS/$basearch/os/
       https://repo.huaweicloud.com/centos/$releasever/BaseOS/$basearch/os/
gpgcheck=1
enabled=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-centosofficial
[AppStream]
name=CentOS-$releasever - AppStream
baseurl=http://mirrors.cloud.tencent.com/centos/$releasever/AppStream/$basearch/os/
       http://mirrors.163.com/centos/$releasever/AppStream/$basearch/os/
       https://mirrors.tuna.tsinghua.edu.cn/centos/$releasever/AppStream/$basearch/os/
       https://mirrors.ustc.edu.cn/centos/$releasever/AppStream/$basearch/os/
       https://repo.huaweicloud.com/centos/$releasever/AppStream/$basearch/os/
gpgcheck=1
enabled=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-centosofficial
[epel]
name=CentOS-$releasever Extra Packages - $basearch
baseurl=https://mirrors.cloud.tencent.com/epel/$releasever/Everything/$basearch/
       https://mirrors.tuna.tsinghua.edu.cn/epel/$releasever/Everything/$basearch/
       http://mirrors.ustc.edu.cn/epel/$releasever/Everything/$basearch/
       https://repo.huaweicloud.com/epel/$releasever/Everything/$basearch/
enabled=1
gpgcheck=0
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-EPEL-8

重建缓存

yum clean all && yum makecache