Linux Watchdog Daemon
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Overview of the Watchdog Daemon
(read this first)
General Tests
Normal Installation
Building from Source
Command Line Options
Configuring The Daemon
Writing Test/Repair
Scripts
Testing Before Deployment
Useful Links
Official source code (currently V5.16, and also older versions) can
be pulled from here:
https://sourceforge.net/p/watchdog/code/ci/master/tree/
General bug tracking and issues can be looked at here:
https://sourceforge.net/projects/watchdog/
The 'man' pages (check if they match your version):
watchdog (V5.15)
watchdog (V5.16)
watchdog.conf (V5.15)
watchdog.conf (V5.16)
Other useful sources of information are:
https://github.com/miniwark/miniwark-howtos/blob/master/setup_the_hardware_watchdog_timer_on-ubuntu_12.04.md
https://www.kernel.org/doc/Documentation/watchdog/watchdog-api.txt
https://www.kernel.org/doc/Documentation/watchdog/watchdog-kernel-api.txt
An excellent article covering watchdog hardware
and the generally bad design of some hardware and software:
http://www.ganssle.com/watchdogs.htm
Last Updated on 8-Mar-2026 by Paul Crawford
Copyright (c) 2014-26 by Paul S. Crawford. All rights reserved.
Email psc(at)sat(dot)dundee(dot)ac(dot)uk
Absolutely no warranty, use this information at your own risk.