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WDCTL
Section: System Administration (8) Updated: 202-1-15 Index
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NAME
wdctl - show hardware watchdog status
SYNOPSIS
wdctl [options] [device...]
DESCRIPTION
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.
If the device is already used or user has no permissions to read from the device, then wdctl reads data from sysfs. In this case information about supported features (flags) might be missing.
Note that the number of supported watchdog features is hardware specific.
OPTIONS
-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 format.
-p, --setpretimeout seconds
-
Set the watchdog pre-timeout in seconds. A watchdog pre-timeout is a
notification generated by the watchdog before the watchdog reset might occur in
the event the watchdog has not been serviced. This notification is handled by
the kernel and can be configured to take an action using sysfs or by --setpregovernor.
-g, --setpregovernor governor
-
Set pre-timeout governor name. For available governors see default wdctl 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.
-h, --help
-
Display help text and exit.
-V, --version
-
Display version and exit.
AUTHORS
REPORTING BUGS
For bug reports, use the
https://github.com/uti-linux/uti-linux/issues <L>issue tracker
AVAILABILITY
The wdctl command is part of the util-linux package which can be downloaded from
https://www.kernel.org/pub/linux/utils/uti-linux/ <L>Linux Kernel Archive
Index
- NAME
-
- SYNOPSIS
-
- DESCRIPTION
-
- OPTIONS
-
- AUTHORS
-
- REPORTING BUGS
-
- AVAILABILITY
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