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Glossary
Errata
Information published by Red Hat describing security fixes, bug fixes, and package enhance-
ments for Red Hat Linux. The information includes the topics of the Errata, Bugzilla bug IDs,
relevant releases/architectures, solutions including required RPMs, and MD5 checksums for ver-
ification. Errata are also available at http://www.redhat.com/errata/. Each RHN Errata Alert is
based on the Red Hat Linux Errata List.
Security issues and bug fixes are submitted by Red Hat engineers as well as the Linux community
through Bugzilla which generates a bug report for each issue. Red Hat engineering evaluates the
reports, resolves the bug, and generates new RPM packages. After the Red Hat quality assurance
team tests new packages they are placed on the Red Hat Public File Server and on the Red Hat
Network Server and an Errata is generated.
Errata Alert
RHN Errata Alert that updated packages based on Red Hat Errata are available for one or more
systems within an organization. There are three types of Errata Alerts: Security Alerts, Bug Fix
Alerts, and Enhancement Alerts.
P
Package
All software in Red Hat Linux is divided into software packages. Software updates are released
in the form of RPM packages that can be installed on a Red Hat Linux system.
R
Registered System
A system that is registered with Red Hat Network. Also known as a client system.
Red Hat Network Daemon
The RHN client daemon (
fications.
Red Hat Network Registration Client
The RHN client application (
creates a System Profile and Digital Certificate , establishes a connection with the Red Hat
Network servers, and registers the system with Red Hat Network.
) that periodically polls Red Hat Network for updates and noti-
rhnsd
) that collects information about the client system,
rhn_register
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