| 13 |  |  | 
          
            | 14 |  | == Supported Logging Methods == | 
          
            | 15 |  | * '''none''' -- Suppress all log messages. | 
          
            | 16 |  | * '''file''' -- Log messages to a file, specified with the ''log_file'' directive in [wiki:TracIni trac.ini]. | 
          
            | 17 |  | * '''stderr''' -- Output all log entries to console ([wiki:TracStandalone tracd] only). | 
          
            | 18 |  | * '''syslog''' -- (UNIX) Send messages to local syslogd via named pipe '/dev/log'. | 
          
            | 19 |  | * '''winlog''' -- (Windows) Use the system's NT eventlog for Trac logging. | 
          
            |  | 10 | The log method is set using the `log_type` configuration option, which takes any of the following values: | 
          
            |  | 11 | '''none'':: Suppress all log messages. | 
          
            |  | 12 | '''file''':: Log messages to a file, specified with the `log_file` option in [wiki:TracIni trac.ini]. | 
          
            |  | 13 | '''stderr''':: Output all log entries to console ([wiki:TracStandalone tracd] only). | 
          
            |  | 14 | '''syslog''':: (UNIX) Send messages to local syslogd via named pipe `/dev/log`. | 
          
            |  | 15 | '''eventlog''':: (Windows) Use the system's NT eventlog for Trac logging. | 
        
        
          
            | 25 |  | * ''CRITICAL'' -- Log only the most critical, typically fatal, messages. | 
          
            | 26 |  | * ''ERROR'' -- Requestfailures, bugs and errors. | 
          
            | 27 |  | * ''WARN'' -- Warnings, non-interrupting events. | 
          
            | 28 |  | * ''INFO'' -- Diagnostic information, log information about all requests. | 
          
            | 29 |  | * ''DEBUG'' -- Development messages, profiling, etc. Not fit for human consumption. | 
          
            |  | 22 | '''CRITICAL''':: Log only the most critical (typically fatal) errors. | 
          
            |  | 23 | '''ERROR''':: Log failures, bugs and errors. | 
          
            |  | 24 | '''WARN''':: Log warnings, non-interrupting events. | 
          
            |  | 25 | '''INFO''':: Diagnostic information, log information about all processing. | 
          
            |  | 26 | '''DEBUG''':: Trace messages, profiling, etc. |