[CentOS] curl#6 or #14 – “Could not resolve host: mirrorlist.centos.org; #72

For that type error:

Downloading packages:
Delta RPMs disabled because /usr/bin/applydeltarpm not installed.
screen-4.1.0-0.26.20120314git3 FAILED
http://mirrors.gigenet.com/centos/7.9.2009/os/x86_64/Packages/screen-4.1.0-0.26.20120314git3c2946.el7.x86_64.rpm: [Errno 14] curl#6 – “Could not resolve host: mirrors.gigenet.com; Unknown error”
Trying other mirror…..

For fix that:

[test@localhost ~]$ curl 'http://mirrorlist.centos.org/?release=7&arch=x86_64&repo=os&infra=container'

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