Red Hat NETWORK 4.1.0 - Guide d'installation télécharger pdf (Page 7)

Chapter 1. Introduction 3

1.3. Terms to Understand

Before understanding RHN Proxy Server, it is important to become familiar with the fol-

lowing Red Hat Network terms:

Channel

A channel is a list of software packages. There are two types of channels: base chan-

nels and child channels. A base channel consists of a list of packages based on a

speciﬁc architecture and Red Hat release. A child channel is a channel associated

with a base channel that contains extra packages.

Organization Administrator

An Organization Administrator is a user role with the highest level of control over an

organization’s Red Hat Network account. Members with this role can add other users,

other systems, and system groups to the organization, as well as remove them. A Red

Hat Network organization must have at least one Organization Administrator.

Channel Administrator

A Channel Administrator is a user role with full access to channel management capa-

bilities. Users with this role are capable of creating channels and assigning packages

to channels. This role can be assigned by an Organization Administrator through the

Users tab of the RHN website.

Red Hat Update Agent<

The Red Hat Update Agent is the Red Hat Network client application (up2date) that

allows users to retrieve and install new or updated packages for the client system on

which the application is run.

Traceback

A traceback is a detailed description of "what went wrong" that is useful for trou-

bleshooting the RHN Proxy Server. Tracebacks are automatically generated when a

critical error occurs and are emailed to the individual(s) designated in the RHN Proxy

Server’s conﬁguration ﬁle.

For more detailed explanations of these terms and others, refer to the Red Hat Network

Reference Guide available at http://www.redhat.com/docs/ and http://rhn.redhat.com/help.

1.4. How it Works

The Red Hat Update Agent on the client systems does not directly contact a Red Hat

Network Server. Instead, the client (or clients) connects in turn to an RHN Proxy Server

that connects to the Red Hat Network Servers or to a RHN Satellite Server. Thus, the client

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Red Hat NETWORK 4.1.0 - Guide d'installation Page 7