Have some files changed within a given interval?.The watchdog daemon does several tests to check the system status: The watchdog daemon can be stopped without causing a reboot if the device /dev/watchdog isĬlosed correctly, unless your kernel is compiled with the CONFIG_WATCHDOG_NOWAYOUT option In the case of the software watchdog the ability to reboot will depend on the state After a minute of inactivity the watchdog hardware will cause the Keep the kernel from resetting, at least once per minute. It opens /dev/watchdog, and keeps writing to it often enough to If the daemon stops doing that, the system is reset. ![]() Either way, there needs to be a daemon that tells the kernel Implemented via special watchdog hardware, or via a slightly less reliable software-only The Linux kernel can reset the system if serious problems are detected.
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