Red Hat NETWORK 4.0 -, Reference Manual

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264 Glossary
Red Hat Update Agent
The RHN client application (
up2date
) that allows users to retrieve and install all up-
dated packages for the client system on which the application is run. Use the Red Hat
Update Agent Configuration Tool to configure its preferences, including whether to
install the packages after they are downloaded.
RPM
A software package manager that was developed by Red Hat. It can be used to build,
install, query, verify, update, and uninstall software packages. All software updates
from RHN are delivered in RPM format.
RPM Database
Each Red Hat Enterprise Linux system has an RPM database that stores information
about all the RPM packages installed on the system. This information includes the
version of the package, which files were installed with the package, a brief description
of the package, the installation date, and more.
RPM Update
Red Hat Network option to deliver the RPM packages based on the Errata Alert list
to a client system without user intervention. If this feature is selected, packages are
delivered through the Red Hat Network Daemon running on the client system.
S
Security Alert
An Errata Alert that pertains to system security.
Service Level
A Red Hat Network subscription service. Different service levels offer different fea-
tures of RHN. There are three paid service levels currently available: RHN Update,
RHN Management, and RHN Provisioning.