Red Hat NETWORK BASIC - USER REFERENCE GUIDE 3.3, User Reference Manual

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76 Glossary
Red Hat Update Agent
The RHN client application (
up2date
) that allows users to retrieve and install all updated pack-
ages 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 de-
livered 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 Enterprise.
Software Manager
The name of the first Service Level offering for Red Hat Network. Software Manager is now
known as RHN Basic .
System ID
A unique string of characters and numbers that identifies a registered system. It is stored in the
system’s Digital Certificate .