SYSLOG-NG-CTL(1)

NAME
syslog-ng-ctl - Display message statistics and enable verbose, debug and trace modes in

SYNOPSIS

syslog-ng-ctl [command] [options]

DESCRIPTION

NOTE: The syslog-ng-ctl application is distributed with the system logging application, and is usually part of the syslog-ng package. The latest version of the syslog-ng application is available at the official syslog-ng website[1].

This manual page is only an abstract, for the complete documentation of syslog-ng, see The Administrator Guide[2].

The syslog-ng-ctl application is a utility that can be used to:

    • enable/disable various syslog-ng messages for troubleshooting

    • display statistics about the processed messages

    • reload the configuration of .

ENABLING TROUBLESHOOTING MESSAGES

command [options]

Use the syslog-ng-ctl <command> --set=on command to display verbose, trace, or debug messages. If you are trying to solve configuration problems, the verbose (and occasionally trace) messages are usually sufficient. Debug messages are needed mostly for finding software errors. After solving the problem, do not forget to turn these messages off using the syslog-ng-ctl <command> --set=off. Note that enabling debug messages does not enable verbose and trace messages.

Use syslog-ng-ctl <command> without any parameters to display whether the particular type of messages are enabled or not.

If you need to use a non-standard control socket to access syslog-ng, use the syslog-ng-ctl <command> --set=on --control=<socket> command to specify the socket to use.

verbose
    Print verbose messages. If syslog-ng was started with the --stderr or -e option, the messages will be sent to stderr. If not specified, syslog-ng will log such messages to its internal source.

trace
    Print trace messages of how messages are processed. If syslog-ng was started with the --stderr or -e option, the messages will be sent to stderr. If not specified, syslog-ng will log such messages to its internal source.

debug
    Print debug messages. If syslog-ng was started with the --stderr or -e option, the messages will be sent to stderr. If not specified, syslog-ng will log such messages to its internal source.

Example:

    syslog-ng-ctl verbose --set=on

THE STATS COMMAND

stats [options]

Use the stats command to display statistics about the processed messages. The stats command has the following options:

--control=<socket> or -c
    Specify the socket to use to access syslog-ng. Only needed when using a non-standard socket.

--reset or -r
    Reset all statistics to zero, except for the stored counters. (The stored counters show the number of messages stored in the message queue of the destination driver, waiting to be sent to the destination.)

Example:

    syslog-ng-ctl stats

An example output:

    src.internal;s_all#0;;a;processed;6445
    src.internal;s_all#0;;a;stamp;1268989330
    destination;df_auth;;a;processed;404
    destination;df_news_dot_notice;;a;processed;0
    destination;df_news_dot_err;;a;processed;0
    destination;d_ssb;;a;processed;7128
    destination;df_uucp;;a;processed;0
    source;s_all;;a;processed;7128
    destination;df_mail;;a;processed;0
    destination;df_user;;a;processed;1
    destination;df_daemon;;a;processed;1
    destination;df_debug;;a;processed;15
    destination;df_messages;;a;processed;54
    destination;dp_xconsole;;a;processed;671
    dst.tcp;d_network#0;10.50.0.111:514;a;dropped;5080
    dst.tcp;d_network#0;10.50.0.111:514;a;processed;7128
    dst.tcp;d_network#0;10.50.0.111:514;a;stored;2048
    destination;df_syslog;;a;processed;6724
    destination;df_facility_dot_warn;;a;processed;0
    destination;df_news_dot_crit;;a;processed;0
    destination;df_lpr;;a;processed;0
    destination;du_all;;a;processed;0
    destination;df_facility_dot_info;;a;processed;0
    center;;received;a;processed;0
    destination;df_kern;;a;processed;70
    center;;queued;a;processed;0
    destination;df_facility_dot_err;;a;processed;0

RELOADING THE CONFIGURATION

command [options]

Use the syslog-ng-ctl reload command to reload the configuration file of without having to restart the application. The syslog-ng-ctl reload works like a SIGHUP.

FILES

/usr/sbin/syslog-ng-ctl

SEE ALSO

The syslog-ng Administrator Guide[2]

syslog-ng.conf(5)

syslog-ng(8)

    Note

    For the detailed documentation of see The 3.28 Administrator Guide[3]

    If you experience any problems or need help with syslog-ng, visit the syslog-ng mailing list[4].

    For news and notifications about of syslog-ng, visit the syslog-ng blogs[5].

AUTHOR

This manual page was written by the Balabit Documentation Team <documentation@balabit.com>.

COPYRIGHT

NOTES

1.  the official syslog-ng website
    https://syslog-ng.org

2.  The Administrator Guide
    https://www.balabit.com/support/documentation/

3.  The 3.28 Administrator Guide
    https://www.balabit.com/documents/syslog-ng-ose-latest-guides/en/syslog-ng-ose-guide-admin/html/index.html

4.  syslog-ng mailing list
    https://lists.balabit.hu/mailman/listinfo/syslog-ng

5.  syslog-ng blogs
    https://syslog-ng.org/blogs/