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3.3.3. Logging

By default, log output is sent to stderr if the broker is run on the command line, or to syslog (/var/log/messages/), if the broker is run as a service.
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Table 3.1. Logging Options
Options for logging with syslog
-t [--trace] Enables all logging
--log-disable RULE Disables logging for selected levels and components (opt-out). RULE is in the form LEVEL[+]:[:PATTERN]. Levels are one of: trace, debug, info, notice, warning, error, critical.. This allows uninteresting log messages to be dropped during debugging. This can be used multiple times.
--log-enable RULE (notice+) Enables logging for selected levels and components. RULE is in the form LEVEL[+]:[:PATTERN]. Levels are one of: trace, debug, info, notice, warning, error, critical.. For example: --log-enable warning+ logs all warning, error, and critical messages. --log-enable debug:framing logs debug messages from the framing namespace. This can be used multiple times.
--log-time yes|no Include time in log messages
--log-level yes|no Include severity level in log messages
--log-source Include source file:line in log messages
--log-thread yes|no Include thread ID in messages
--log-function yes|no Include function signature in log messages
--log-hires-timestamp yes|no (0) Use hi-resolution timestamps in log messages
--log-category yes|no (1) Include category in log messages
--log-prefix STRING Prefix to append to all log messages
--log-to-stderr yes|no Send logging output to stderr. Enabled by default when run from command line.
--log-to-stdout yes|no Send logging output to stdout.
--log-to-file FILE Send log output to the specified filename. FILE.
--log-to-syslog yes|no Send logging output to syslog. Enabled by default when run as a service.
--syslog-name NAME Specify the name to use in syslog messages. The default is qpidd.
--syslog-facility LOG_XXX Specify the facility to use in syslog messages. The default is LOG_DAEMON.

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