Tip 1 - Enabling the watchdog in Ubuntu 22.04
Step 1 - Remove the watchdog module from modprobe blacklists:
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grep -r sp5100_tco /lib/modprobe.d/c |
And comment out every "blacklist sp5100_tco".
Step 2 - Create a new modprobe.d entry:
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echo "options sp5100_tco heartbeat=30 nowayout=1" > /etc/modprobe.d/sp5100_tco.conf |
Step 3 - Install the watchdog package
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apt install -y watchdog |
Step 4 - Update the watchdog config
Open the /etc/watchdog.conf file.
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With:
watchdog-timeout = 30
Step 5 - reboot the system
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reboot |
That’s it, it can be tested by triggering a kernel crash with the following command:
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