spacewalk-2-5-rhel-6-x86_64

Create a new Channel:

Fill the fields!

Channel Name:

spacewalk-2-5-rhel-6-x86_64

Channel Label:

spacewalk-2-5-rhel-6-x86_64

Parent Channel:

CentOS 6 Base x86_64

Architecture:

x86_64

Channel Summary:

spacewalk-2-5-rhel-6-x86_64

Scroll down the page and enter:
GPG key URL:

https://copr-be.cloud.fedoraproject.org/archive/spacewalk/RPM-GPG-KEY-spacewalk-2015

GPG key ID:

B8002DE1

GPG key Fingerprint:

A5FC 508C DD3C C46D 3C3B  4612 DCC9 81CD B800 2DE1

Open [Channels] section, go for [Manage Software Channels],
go for [Manage Repositories], click [Create Repository]

Fill down:
Repository Label:

spacewalk-2-5-rhel-6-x86_64

Repository URL:

https://copr-be.cloud.fedoraproject.org/archive/spacewalk/2.5/RHEL/6/x86_64/

Click [Create Repository]

Now open your child channel:

Assing child repository to child channel and press [Update Repositories] button:

Now at the command line execute:

spacewalk-repo-sync -c spacewalk-2-5-rhel-6-x86_64