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78 Glossary
Red Hat Network Registration Client
The RHN client application (
rhn_register
) that collects information about the client
system, creates a System Profile and Digital Certificate , establishes a connection with
the Red Hat Network servers, and registers the system with Red Hat Network.
Red Hat Update Agent
The RHN client application (
up2date
) that allows users to retreive 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, in-
stall, query, verify, update, and uninstall software packages. All software updates from
RHN are delivered in RPM format.
RPM Database
Each Red Hat 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 automatically and 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 features
of RHN. There are two service levels currently available: RHN Basic and RHN Work-
group.