WDCTL - Online Linux Manual PageSection : 8
Updated : 2022-05-11
Source : util−linux 2.38.1
Note : System Administration
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NAMEwdctl − show hardware watchdog status
SYNOPSISwdctl [options] [device...]
DESCRIPTIONShow 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 Print version and exit.
AUTHORSKarel Zak <kzak@redhat.com>, Lennart Poettering <lennart@poettering.net>
REPORTING BUGSFor bug reports, use the issue tracker at <https://github.com/util−linux/util−linux/issues>.
AVAILABILITYThe wdctl command is part of the util−linux package which can be downloaded from Linux Kernel Archive <https://www.kernel.org/pub/linux/utils/util−linux/>. 0
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Online Linux Manual Page : Version : Online Linux Manual Page - Fedora.40 - march=x86-64 - mtune=generic - 24.12.05
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