watchdog is such a daemon. It opens /dev/watchdog, and keeps writing to it often enough to keep the kernel from resetting, at least once per minute.

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Watchdog monitoring warning

I have a process that I want to be under systemd watchdog monitoring. I already have a timeout set and the action to be taken in case of a watchdog timeout using OnFailure from the .service file. My ...
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Watchdog for rebooting on keyboardless appliance, if kernel is stuck at startup [duplicate]

I have an Ubuntu 14.04, which occasionally hangs at boot, just displaying Plymouth splash. After removing quiet splash from /etc/default/grub it reveals that last line of kernel log output (virtual ...
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109 views

linux watchdog handler [closed]

I’m interested in monitoring the processes running in a Linux system and determining when they are stuck/running endlessly very quickly. Once I determine this, I also want to take on some actions ...
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1answer
2k views

Difference between move to trash and rm on the terminal? [duplicate]

I am using watchdog, a python package to monitor changes in the file system. The code works fine on Mac but it seems that the delete event is not monitored correctly in ubuntu. If I do a rm instead of ...
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votes
2answers
417 views

How can I tell how long for Watchdog to wait to stop all processes?

I have a server which is monitored by Watchdog, and experiences reboots occasionally due to faulty network hardware I am unable to replace at the moment. As I read, Watchdog sends a SIGTERM to all ...