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15 lines
693 B
Text
15 lines
693 B
Text
watchdog is a daemon that periodically pokes a hardware chip,
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and if it fails to do so (presumaby because the system got stuck),
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the chip would reboot the system. A somehow working software
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emulation of this chip, called "softdog" also exists in Linux.
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A reboot can be triggered by some other criteria too.
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This script installs a RedHat-style initscript, but you can run it from
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/etc/rc.d/rc.local too.
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This daemon needs a proper kernel driver to work.
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Some machines, such as raspberry pi 4b, provide /dev/wachdog by default.
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Intel systems might require editing /etc/sysconfig/watchdog to have
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START_MOD_CMD="modprobe iTCO_wdt" and
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You can try "softdog" if nothing better is available.
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