# The dqtool tool manual page

dqtool

1 4.8

dqtool

Display the contents of a disk-buffer file created with

            dqtool
            command
            options

### Description

NOTE: The dqtool 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.

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

The `dqtool` application is a utility that can be used to display and format the messages stored in a disk-buffer file.

### The cat command

            cat
            options
            file

Use the `cat` command to display the log messages stored in the disk-buffer (also called disk-queue) file, and also information from the header of the disk queue file. The messages are printed to the standard output (stdout), so it is possible to use grep and other tools to find particular log messages, e.g., `dqtool cat /var/log/messages.lgs |grep 192.168.1.1`.

The `cat` command has the following options:

`--debug` or `-d`

- Print diagnostic and debugging messages to stderr.

`--help` or `-h`

- Display a brief help message.

`--template=<template>` or `-t`

- Format the messages using the specified template.

`--verbose` or `-v`

- Print verbose messages to stderr.

`--version` or `-V`

- Display version information.

Example:

    ./dqtool cat ../var/syslog-ng-00000.qf

The output looks like:

    Disk-buffer state loaded; filename='../var/syslog-ng-00000.qf', qout_length='65', qbacklog_length='0', qoverflow_length='9205', qdisk_length='0'
    Mar  3 10:52:05 tristram localprg[1234]: seq: 0000011630, runid: 1267609923, stamp: 2010-03-03T10:52:05 PADDPADDPADDPADDPADDPADDPADDPADDPADDPADDPADDPADDPADDPADDPADDPADDPADDPADDPADDPADDPADDPADDPADDPADDPADDPADD
    Mar  3 10:52:05 tristram localprg[1234]: seq: 0000011631, runid: 1267609923, stamp: 2010-03-03T10:52:05 PADDPADDPADDPADDPADDPADDPADDPADDPADDPADDPADDPADDPADDPADDPADDPADDPADDPADDPADDPADDPADDPADDPADDPADDPADDPADD

### Files

`/opt/syslog-ng/bin/dqtool`

### See also

`syslog-ng.conf`(5)

`syslog-ng`(8)

For the detailed documentation of see `The 4.8 Administrator Guide`

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

For news and notifications about of syslog-ng, visit the `syslog-ng blogs`.

### Author

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

### Copyright