Situation

Add CentOS Repo To RedHat

How To

Add File CentOS.repo In /etc/yum.repos.d/ And Edit It

vim /etc/yum.repos.d/centOS.repo

[centos]
name=CentOS-7
baseurl=http://ftp.heanet.ie/pub/centos/7/os/x86_64/
enabled=1
gpgcheck=1
gpgkey=http://ftp.heanet.ie/pub/centos/7/os/x86_64/RPM-GPG-KEY-CentOS-7

Use yum repolist Check

[root@localhost yum.repos.d]# yum repolist
Failed to set locale, defaulting to C
Loaded plugins: fastestmirror, product-id, search-disabled-repos, subscription-manager

This system is not registered with an entitlement server. You can use subscription-manager to register.

Loading mirror speeds from cached hostfile
repo id                                                                            repo name                                                                           status
!centos                                                                            CentOS-7                                                                            10072
repolist: 10072