突然发现自带的不能用了，然后测试了几个国内的 yum 镜像源，也不行了。是放弃了吗？

CentoS 6 停止维护更新日期 2020 年 11 月 30 日
CentOS 7 停止维护更新日期 2024 年 6 月 30 日
CentOS 8 停止维护更新日期 2029 年 5 月 31 日

谢谢！

不是几个国内镜像放弃了，是全球源都已经删除了

https://mirrors.tuna.tsinghua.edu.cn/centos-vault/

--------------重新编辑和替换地址可用，镜像源是清华的-----------------------------
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-$releasever - Base
baseurl=https://mirrors.tuna.tsinghua.edu.cn/centos-vault/centos/$releasever/os/$basearch/
/>enabled=1
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-6
updates
[updates]
name=CentOS-$releasever - Updates
baseurl=https://mirrors.tuna.tsinghua.edu.cn/centos-vault/centos/$releasever/updates/$basearch/
/>enabled=1
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-6

packages that may be useful
[extras]
name=CentOS-$releasever - Extras
baseurl=https://mirrors.tuna.tsinghua.edu.cn/centos-vault/centos/$releasever/extras/$basearch/
/>enabled=1
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-6

packages that extend functionality of existing packages
[centosplus]
name=CentOS-$releasever - Plus
baseurl=https://mirrors.tuna.tsinghua.edu.cn/centos-vault/centos/$releasever/centosplus/$basearch/
/>gpgcheck=1
enabled=0
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-6

- packages by Centos Users
[contrib]
name=CentOS-$releasever - Contrib
baseurl=https://mirrors.tuna.tsinghua.edu.cn/centos-vault/centos/$releasever/contrib/$basearch/
/>gpgcheck=1
enabled=0
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-6

换 Vault 源

根源： http://mirror.centos.org/centos/6/
归档： https://vault.centos.org/6.10/

我最近用的是阿里云的。
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-6.10 - Base - mirrors.aliyun.com
failovermethod=priority
baseurl=http://mirrors.aliyun.com/centos-vault/6.10/os/$basearch/
gpgcheck=1
gpgkey=http://mirrors.aliyun.com/centos-vault/RPM-GPG-KEY-CentOS-6

updates
[updates]
name=CentOS-6.10 - Updates - mirrors.aliyun.com
failovermethod=priority
baseurl=http://mirrors.aliyun.com/centos-vault/6.10/updates/$basearch/
gpgcheck=1
gpgkey=http://mirrors.aliyun.com/centos-vault/RPM-GPG-KEY-CentOS-6

packages that may be useful
[extras]
name=CentOS-6.10 - Extras - mirrors.aliyun.com
failovermethod=priority
baseurl=http://mirrors.aliyun.com/centos-vault/6.10/extras/$basearch/
gpgcheck=1
gpgkey=http://mirrors.aliyun.com/centos-vault/RPM-GPG-KEY-CentOS-6

packages that extend functionality of existing packages
[centosplus]
name=CentOS-6.10 - Plus - mirrors.aliyun.com
failovermethod=priority
baseurl=http://mirrors.aliyun.com/centos-vault/6.10/centosplus/$basearch/
gpgcheck=1
enabled=0
gpgkey=http://mirrors.aliyun.com/centos-vault/RPM-GPG-KEY-CentOS-6

- packages by Centos Users
[contrib]
name=CentOS-6.10 - Contrib - mirrors.aliyun.com
failovermethod=priority
baseurl=http://mirrors.aliyun.com/centos-vault/6.10/contrib/$basearch/
gpgcheck=1
enabled=0
gpgkey=http://mirrors.aliyun.com/centos-vault/RPM-GPG-KEY-CentOS-6