To configure log levels using the Admin Console:
For the developer profile, go to Application Server -> Logging -> Log Levels
For the cluster and enterprise profiles, go to Configurations -> Configuration -> Logging -> Logging Settings -> Log Levels
Set the log level for the modules listed on this page. Use the Additional Properties area to configure log levels for any application loggers. For a list of the module loggers, see The Logger Namespace Hierarchy.
For details on setting the various configuration parameters, click Help in the Admin Console.
To configure these log settings in asadmin, use the get and set commands.