在华为云主机上配置yum，系统是CentOS 6.9，整个配置按照华为的官方手册进行：http://www.cndba.cn/cndba/dave/article/4338

https://mirrors.huaweicloud.com/http://www.cndba.cn/cndba/dave/article/4338

http://www.cndba.cn/cndba/dave/article/4338

但还是报如下错误：

[dave@www.cndba.cn yum.repos.d]# yum makecache
Loaded plugins: fastestmirror, security
Determining fastest mirrors
https://repo.huaweicloud.com/centos/6/os/x86_64/repodata/repomd.xml: [Errno 14] PYCURL ERROR 22 - "The requested URL returned error: 404 Not Found"
Trying other mirror.
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/.

Error: Cannot retrieve repository metadata (repomd.xml) for repository: base. Please verify its path and try again
[dave@www.cndba.cn yum.repos.d]#

这里的路径确实不存在：

https://repo.huaweicloud.com/centos/6/os/x86_64/repodata/repomd.xml

这个错误其实就是源地址不正确导致的，一般可以选择修改正确的源即可。 开始尝试更换了阿里云的yum，一样的错误。

后来查了链接，官方有解释说明，如下：

https://repo.huaweicloud.com/centos/6.10/http://www.cndba.cn/cndba/dave/article/4338

This directory (and version of CentOS) is deprecated. Please see this FAQ
concerning the CentOS release scheme:

https://wiki.centos.org/FAQ/General

Please keep in mind that 6.0, 6.1, 6.2, 6.3, 6.4 , 6.5, 6.6, 6.7, 6.8 , 6.9 and 6.10 no longer get any updates, nor
any security fix's.
The whole CentOS 6 is *dead* and *shouldn't* be used anywhere at *all*

通俗点说就是镜像已经不支持了linux 6了，阿里云还人道一些，目前6.10 的yum 源还可以使用，但华为云是彻底不支持Linux 6了，所以如果想继续使用yum 的话，只能自己上传系统的ISO镜像，做本地YUM 源了。 具体配置参考我的博客：http://www.cndba.cn/cndba/dave/article/4338http://www.cndba.cn/cndba/dave/article/4338

Linux 平台下 yum 源 配置 手册
https://www.cndba.cn/dave/article/154http://www.cndba.cn/cndba/dave/article/4338

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