cat ~/.zhiliao.history

无聊就该多读书。

raspberry watchdog

raspberry 4b Raspbian GNU/Linux 10 (buster)

ls /dev/watchdog*

/dev/watchdog /dev/watchdog0

grep Watchdog /etc/systemd/system.conf

RuntimeWatchdogSec=10 ShutdownWatchdogSec=10min

systemctl daemon-reexec

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