How to Fix CentOS Yum Error "Could not resolve host: mirrorlist.centos.org; Unknown error" (2024 Working Solution)
When attempting to install yum auxiliary packages on a CentOS 7 virtual machine environmetn prepared for Docker runtime deployment:
sudo yum install -y yum-utils
The following host resollution error is returend:
Loaded plugins: fastestmirror
Determining fastest mirrors
Could not retrieve mirrorlist http://mirrorlist.centos.org?arch=x86_64& ...
Posted on Fri, 03 Jul 2026 16:02:41 +0000 by ingchun