Create CentOS 6 i386 Base Software Channel, Spacewalk

Open [Channels] section, go for [Manage Software Channels] and click [Create]:

Write down:
Channel Name:

CentOS 6 Base i386

Channel Label:

centos-6-base-i386

Architecture:

IA-32

Channel Summary:

centos-6-base-i386

Scroll down the page and enter:
GPG key URL:

http://mirror.centos.org/centos/RPM-GPG-KEY-CentOS-6

GPG key ID:

C105B9DE

GPG key Fingerprint:

C1DA C52D 1664 E8A4 386D  BA43 0946 FCA2 C105 B9DE

This is the same key from:

gpg --with-fingerprint /etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-6
pub  4096R/C105B9DE 2011-07-03 CentOS-6 Key (CentOS 6 Official Signing Key) <centos-6-key@centos.org>
      Key fingerprint = C1DA C52D 1664 E8A4 386D  BA43 0946 FCA2 C105 B9DE

Click [Create Channel] at the end:

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

Fill down:
Repository Label:

centos-6-base-i386

Repository URL:

http://mirror.centos.org/centos/6/os/i386/

Click [Create Repository]:

Now we have to create a connection between base channel and repository:
Go for [Channels], open [Manage Software Channels], click on YOUR base channel:

Go for [Repositories] tab, check YOUR repository and click [Update Repositories]:

Open up the command line and type:

spacewalk-repo-sync -c centos-6-base-i386

If you are planing to use kickstart future the use:

spacewalk-repo-sync -c centos-6-base-i386 --sync-kickstart