Chapter 4 ULN System Management

Systems that have been registered with ULN can be managed by using the ULN web interface at You can use these tools to manage system information, such as the associated CSI for a system, the channels that a system is subscribed to, or to browse available updates and errata.

Some command-line tools are also provided to help perform certain tasks, such as channel subscription management, directly from the shell on the system itself.

System updates and package installation from ULN are handled by using the yum command directly on the system that is registered with ULN.

Some direct system configuration may be applied directly to the system, for example, to configure proxy settings or disable ULN updates for a particular package.

This chapter describes configuration steps and procedures to perform these tasks on a system that is registered with ULN.