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Chapter 8.

Maintenance

Because of the RHN Satellite's unique environment, its users are provided with abilities not available

to any other Red Hat Network customers. In addition, the Satellite itself also requires maintenance.

This chapter discusses the procedures that should be followed to carry out administrative functions

outside of standard use, as well as to apply patches to the RHN Satellite.

8.1. Managing the Satellite with rhn-satellite

Since the RHN Satellite consists of a multitude of individual components, Red Hat provides a

command-line tool that allows you to stop, start, or retrieve status information from the various

services in the appropriate order: rhn-satellite. This tool accepts all of the typical commands:

/usr/sbin/rhn-satellite start

/usr/sbin/rhn-satellite stop

/usr/sbin/rhn-satellite restart

/usr/sbin/rhn-satellite reload

/usr/sbin/rhn-satellite enable

/usr/sbin/rhn-satellite disable

/usr/sbin/rhn-satellite status

Use rhn-satellite to shut down and bring up the entire RHN Satellite and retrieve status

messages from all of its services at once.

8.2. Updating the Satellite

If any critical updates are made to RHN Satellite, they will be released in the form of an Erratum for the

RHN Satellite.

For RHN Satellite systems that may be connected to the Internet, the best method for applying these

Errata Updates is using the Red Hat Update Agent via Red Hat Network. Since the RHN Satellite is

subscribed to Red Hat Network during initial installation, the user should be able to run yum update

(or up2date -u on versions of Red Hat Enterprise Linux earlier than version 5) on the RHN Satellite

or use the website at https://rhn.redhat.com to apply the updates.

Important

Apache RPMs do not restart the httpd service upon installation. Therefore, after conducting a full

update of an RHN Satellite Server (such as with the command yum update (or up2date -uf

on earlier versions of Red Hat Enterprise Linux), Apache may fail. To avoid this, make sure you

restart the httpd service after upgrading it.

For RHN Satellite systems that may not be connected to the Internet, the packages themselves may

be retrieved using a customer account at https://rhn.redhat.com. Then, they can be applied manually

by the customer according to instructions in the Errata Advisory.

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Red Hat NETWORK - USER 3.0 Guía de instalación Pagina 67