# yum install epel-release
CentOS-8 - AppStream                            1.9 kB/s | 4.3 kB     00:02
CentOS-8 - AppStream                            1.6 MB/s | 6.0 MB     00:03
CentOS-8 - Base                                 1.7 kB/s | 3.9 kB     00:02
CentOS-8 - Base                                 2.0 MB/s | 7.9 MB     00:03
CentOS-8 - Extras                               678  B/s | 1.5 kB     00:02
CentOS-8 - PowerTools                           1.8 kB/s | 4.3 kB     00:02
CentOS-8 - PowerTools                           518 kB/s | 1.8 MB     00:03
Dependencies resolved.
================================================================================
 Package               Arch            Version            Repository       Size
================================================================================
Installing:
 epel-release          noarch          8-5.el8            extras           22 k

Transaction Summary
================================================================================
Install  1 Package

Total download size: 22 k
Installed size: 30 k
Is this ok [y/N]: y
Downloading Packages:
epel-release-8-5.el8.noarch.rpm                  20 kB/s |  22 kB     00:01
--------------------------------------------------------------------------------
Total                                           9.5 kB/s |  22 kB     00:02
Running transaction check
Transaction check succeeded.
Running transaction test
Transaction test succeeded.
Running transaction
  Preparing        :                                                        1/1
  Installing       : epel-release-8-5.el8.noarch                            1/1
  Running scriptlet: epel-release-8-5.el8.noarch                            1/1
  Verifying        : epel-release-8-5.el8.noarch                            1/1

Installed:
  epel-release-8-5.el8.noarch