Procedure: Adding Software Channels at the Command Prompt
  1. At the command prompt on the Uyuni Server, as root, use the spacewalk-common-channels command to add the appropriate channels:

    spacewalk-common-channels \
    <channel_label_1> \
    <channel_label_2> \
    <channel_label_3> \
    ... <channel_label_n>
  2. Synchronize the channels:

    spacewalk-repo-sync
  3. Ensure the synchronization is complete before continuing.