WDCTL(8)                    System Administration                   WDCTL(8)

NAME         top

       wdctl - show hardware watchdog status

SYNOPSIS         top

       wdctl [options] [device...]

DESCRIPTION         top

       Show hardware watchdog status.  The default device is /dev/watchdog.
       If more than one device is specified then the output is separated by
       one blank line.

       Note that the number of supported watchdog features is hardware

OPTIONS         top

       -f, --flags list
              Print only the specified flags.

       -F, --noflags
              Do not print information about flags.

       -I, --noident
              Do not print watchdog identity information.

       -n, --noheadings
              Do not print a header line for flags table.

       -o, --output list
              Define the output columns to use in table of watchdog flags.
              If no output arrangement is specified, then a default set is
              used.  Use --help to get list of all supported columns.

       -O, --oneline
              Print all wanted information on one line in key="value" output

       -r, --raw
              Use the raw output format.

       -s, -settimeout seconds
              Set the watchdog timeout in seconds.

       -T, --notimeouts
              Do not print watchdog timeouts.

       -x, --flags-only
              Same as -I -T.

       -V, --version
              Display version information and exit.

       -h, --help
              Display help text and exit.

AUTHORS         top

       Karel Zak ⟨⟩
       Lennart Poettering ⟨⟩

AVAILABILITY         top

       The wdctl command is part of the util-linux package and is available
       from Linux Kernel Archive 

COLOPHON         top

       This page is part of the util-linux (a random collection of Linux
       utilities) project.  Information about the project can be found at 
       ⟨⟩.  If you have a
       bug report for this manual page, send it to  This page was obtained from the
       project's upstream Git repository
       ⟨git://⟩ on
       2018-10-29.  (At that time, the date of the most recent commit that
       was found in the repository was 2018-10-24.)  If you discover any
       rendering problems in this HTML version of the page, or you believe
       there is a better or more up-to-date source for the page, or you have
       corrections or improvements to the information in this COLOPHON
       (which is not part of the original manual page), send a mail to

util-linux                        July 2014                         WDCTL(8)