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4 Chapter 2. Introduction to RHN Channels

• Install registration — When a system is initially registered through either the Red Hat

Update Agent or the Red Hat Network Registration Client, it is automatically as-

signed to the base channel that corresponds to the version of Red Hat Enterprise Linux

on the system. Once a system is registered, its default base channel may be changed to

a private base channel on a per-system basis via the RHN website. Alternately, you can

have activation keys associated with a custom channel so that systems registering with

those keys are automatically associated with the custom channel. For more information

on using these applications, refer to the respective chapter of the RHN Reference Guide

for your entitlement level (Management or Provisioning).

• Website subscription — Various speciﬁc child channels are available for subscription,

depending on the system’s base channel. The system may be subscribed to the child

channel through the RHN website. If you have created your own base channels, you may

also reassign systems to these custom channels through the website. For more informa-

tion on subscribing to channels online, refer to the Red Hat Network Website chapter of

the RHN Reference Guide.

2.3. Channel Availability

There are many channels in Red Hat Network. Some are available to all users, some are

available to users in a particular organization, and some are available only if you have

purchased access to them. Channels fall into these main categories:

• Paid Service Channels — These channels are available if you who have purchased access

to them either directly or in conjunction with a particular Red Hat solution. Red Hat

Enterprise Linux is an example of a paid service channel.

• Custom Channels — You create these channels to manage custom packages. These chan-

nels, also known as private channels, appear only to the organization who creates them;

they can never be accessed by anyone else.

This document focuses on the process of creating and maintaining custom channels with

an RHN Proxy Server or on an RHN Satellite Server.

2.4. Tools, Repositories, and Practices

Before creating and managing channels, note the differences between the various tools

and repositories at your disposal. This is especially important if you are deploying both

an RHN Satellite Server and RHN Proxy Server, as this increases the utilities and storage

locations available. Further, a Proxy-Satellite combination offers certain best practices for

optimal performance.

First, become familiar with these package management tools:

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