comfilepi:enable_the_internal_watchdog_timer
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comfilepi:enable_the_internal_watchdog_timer [2023/06/19 09:55] COMFILE Technology |
comfilepi:enable_the_internal_watchdog_timer [2023/06/19 10:04] (current) COMFILE Technology |
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| ====== Enable the Internal Watchdog Timer ====== | ====== Enable the Internal Watchdog Timer ====== | ||
| - | The ComfilePi's [[https://en.wikipedia.org/wiki/System_on_a_chip|SoC]] has an internal watchdog timer that can be used to automatically reboot the system should it ever become unresponsive. | + | The ComfilePi's [[https://en.wikipedia.org/wiki/System_on_a_chip|SoC]] has an internal watchdog timer that can be used to automatically reboot the system should it ever become unresponsive. It is also recommended to [[::comfilepi:read-only_file_system_with_overlay|enable the read-only file system overly]] to protect the file system from corruption should such an event occur. |
| First, verify that the ///dev/watchdog// device exists: | First, verify that the ///dev/watchdog// device exists: | ||
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| </code> | </code> | ||
| - | Uncomment the following lines in the file ///etc/systemd/system.conf//. See [[https://manpages.debian.org/bullseye/systemd/systemd-system.conf.5.en.html | the system.conf documentation]] for more information about these settings: | + | Uncomment the following lines in the file ///etc/systemd/system.conf// and then reboot. See [[https://manpages.debian.org/bullseye/systemd/systemd-system.conf.5.en.html | the system.conf documentation]] for more information about these settings: |
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| </code> | </code> | ||
| - | To test if the watchdog service is working, first, obtain root privileges and create a kernel panic with the following: | + | To test if the watchdog service is working, obtain root privileges, and then create a kernel panic with the following: |
| <code> | <code> | ||
comfilepi/enable_the_internal_watchdog_timer.1687136102.txt.gz · Last modified: 2023/06/19 09:55 by COMFILE Technology