Hi,
This is because CentOS 7 has reached the end of its life. You need to
modify your configuration to use https://vault.centos.org/ instead of the
main mirrors.
*—*
*Ryan C. Decker '08*Principal Network & Systems Eng. | Siena College
*O *518-783-2366
*E* rdecker@xxxxxxxxx
*W *www.siena.edu
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On Thu, Jul 11, 2024 at 7:44 AM NISHITH GEEDH <geedhnishith@xxxxxxxxx>
wrote:
> Dear CentOS Community,
>
> I am experiencing an issue when attempting to install packages using yum
> on CentOS 7. When I run the command yum install vim -y, I receive the
> following error message:
>
> 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; Unknown
> error"
>
> One of the configured repositories failed (Unknown), 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=<repoid> ...
>
> 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 <repoid>
> or
> subscription-manager repos --disable=<repoid>
>
> 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=<repoid>.skip_if_unavailable=true
>
> Cannot find a valid baseurl for repo: base/7/x86_64
>
> It seems there is an issue with the baseurl for the repository. I have
> already checked my network connection and it is working properly. I also
> tried updating the DNS configuration and clearing the yum cache, but the
> issue persists.
>
> Could someone please provide guidance on how to resolve this issue or
> point me to the correct repository configuration? Any help would be greatly
> appreciated.
>
> Thank you for your assistance.
>
> Best regards,
> Nishith
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