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.SS "VLOG COMMANDS"
These commands manage \fB\*(PN\fR's logging settings.
.IP "\fBvlog/set\fR \fImodule\fR[\fB:\fIfacility\fR[\fB:\fIlevel\fR]]"
Sets the logging level for \fImodule\fR in \fIfacility\fR to
\fIlevel\fR:
.
.RS
.IP \(bu
\fImodule\fR may be any valid module name (as displayed by the
\fB--list\fR action on \fBovs-appctl\fR(8)), or the special name
\fBANY\fR to set the logging levels for all modules.
.
.IP \(bu
\fIfacility\fR may be \fBsyslog\fR, \fBconsole\fR, or \fBfile\fR to
set the levels for logging to the system log, the console, or a file
respectively, or \fBANY\fR to set the logging levels for both
facilities. If it is omitted, \fIfacility\fR defaults to \fBANY\fR.
.IP
The log level for the \fBfile\fR facility has no effect unless
\fB\*(PN\fR was invoked with the \fB--log-file\fR option.
.IP \(bu
\fIlevel\fR must be one of \fBemer\fR, \fBerr\fR, \fBwarn\fR,
\fBinfo\fR, or
\fBdbg\fR, designating the minimum severity of a message for it to be
logged. If it is omitted, \fIlevel\fR defaults to \fBdbg\fR.
.RE
.IP "\fBvlog/set PATTERN:\fIfacility\fB:\fIpattern\fR"
Sets the log pattern for \fIfacility\fR to \fIpattern\fR. Refer to
\fBovs-appctl\fR(8) for a description of the valid syntax for \fIpattern\fR.
.
.IP "\fBvlog/list\fR"
Lists the supported logging modules and their current levels.
.
.IP "\fBvlog/reopen\fR"
Causes \fB\*(PN\fR to close and reopen its log file. (This is useful
after rotating log files, to cause a new log file to be used.)
.IP
This has no effect unless \fB\*(PN\fR was invoked with the
\fB--log-file\fR option.
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