DOKK / manpages / debian 10 / util-linux / wdctl.8.en
WDCTL(8) System Administration WDCTL(8)

wdctl - show hardware watchdog status

wdctl [options] [device...]

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 specific.

Print only the specified flags.
Do not print information about flags.
Do not print watchdog identity information.
Do not print a header line for flags table.
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.
Print all wanted information on one line in key="value" output format.
Use the raw output format.
Set the watchdog timeout in seconds.
Do not print watchdog timeouts.
Same as -I -T.
Display version information and exit.
Display help text and exit.

Karel Zak
Lennart Poettering

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

July 2014 util-linux