GlossaryAActionA task that is scheduled by a system administrator using Red Hat Network to be performed on oneor more client systems. For example, an action can be scheduled to update the kernel packageson all the systems within a selected group.Activation KeyRHN Management and Provisioning customers can generate activation keys through the RHNwebsite. Each unique key can then be used to register a Red Hat system, entitle the system toRHN, subscribe the system to specific channels, and subscribe the system to RHN system groupsthrough the command line utility rhnreg_ks from the rhn_register package.BBase ChannelA base channel is a type of Channel that consists of a list of packages based on a specificarchitecture and Red Hat release. For example, all the packages in Red Hat Enterprise Linux AS3 for the x86 architecture make a base channel.Bug Fix AlertAn Errata Alert that pertains to a bug fix.BugzillaBugzilla is an online application (http://www.redhat.com/bugzilla) that allows users to commu-nicate directly with the developers. From Bugzilla, users can submit bug reports and featurerequests for Red Hat Enterprise Linux and related open source packages.CChannelA channel is a list of packages. Channels are used to choose packages to be installed from clientsystems. Every client system must be subscribed to one Base Channel and can be subscribed toone or more Child Channel .