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Universal Event Monitor

Use the Universal Event Monitor (UEM) Manager to monitor a single local or remote system event.

The UEM Manager (uem) may provide all of the parameters necessary to define a system event, or it may specify the ID of a database record that contains the event definition. In either case, the UEM Manager passes the event definition to a local or remote UEM Server (uemsrv), which uses that information to look for an occurrence of the event and test for its completion.

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A UEM Server may monitor several local system events simultaneously using records stored in its event definition database. An event-driven UEM Server executes in this manner. An event-driven UEM Server does not require a UEM Manager to initiate a monitoring request, and you may configure it to start automatically whenever the local Universal Broker starts. During start-up, an event-driven UEM Server retrieves a list of its assigned event definitions from the local Universal Broker. UEM Server monitors each event until it is no longer active, or until the event-driven Server ends.

The UEMLoad utility (uemload) enables you to add event definition and event handler records to their respective databases

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• Required number of expected event occurrences has been detected
• Inactive date and time specified for the event definition elapses.

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When either of these occurs, the event becomes inactive and the UEM Server stops monitoring it. The UEM Server then ends after informing the UEM Manager of the result of the monitoring request. The UEM Manager will set its exit code based on this information. This is the default behavior.

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An event-driven UEM Server can be executed automatically during start-up of a Universal Broker. While it requires no interaction from a UEM client application, however, an event-driven UEM Server can be started at any time using Universal Control.

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Unless it is stopped manually (using Universal Control), the event-driven UEM Server will continue to run as long as the Broker remains active. When the Broker stops, it will send a stop request to the UEM Server, instructing it to shut itself down.

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