log-level
The log-level command sets the system wide log-level or the log-level for a specific task or process. In addition, you can set the log type for a specific log level on a per-task basis.
Syntax
log-level system <log-level> log-level <task-name | “all”> <log-level> 
                  	 Arguments
<log-level> Select the log level either by name or by number- Values • emergency (1) 
			 
                        
- critical (2)
 - major (3)
 - minor (4)
 - warning (5)
 - notice (6)
 - info (7)
 - trace (8)
 - debug (9)
 - detail<task-name> Enter the task name for the log level being set<all> Change the log level for all system tasks 
				  
                              
Superuser
 
 
You cannot set the following tasks with the log-level command.
                     
                  		
               - authqueue
 - fragHandler
 - heap
 - healthCheckd
 - SSHD
 - tLFMiBd
 
Note:
The log setting changes made by the log-level command do not persist after a reboot. Upon reboot, you must change the log settings in the system configuration for them to persist. When entering multiple log types in the log-type-list argument, use a space for separation.Example
ORACLE# log-level system warning