Users Guide
5. Edge Gateway.
#sudo reboot
Ubuntu Server -
Ubuntu Server
.
Edge Gateway firmware.cab fwupd.org/lvfs/devicelist .
1. fwupd.
#sudo fwupdmgr get-devices
2. firmware.cab .
#sudo fwupdmgr [Installation path of firmware.cab] -v
3. .
#sudo reboot
Watchdog Timer (WDT(
WDT
.
WDT :
●msdn.microsoft.com/en-us/windows/hardware/gg463320
●lwn.net/Articles/701235/
Watchdog Timer (WDT(
WDT
.
1. WDT .
#cat /etc/watchdog.conf
: watchdog-timeout= /)dev/watchdog
WatchdogDevice= systemd.watchdog-device= kernel (
.
2. WDT .
#cat /etc/default/watchdog
sysfs
17 . WDT
/sys/class/watchdog/watchdog0/bootstatus
WDT .
WDIOC_GETBOOTSTATUS / )ioctl.(
/sys/class/watchdog/watchdog0/identity
WDT.
/sys/class/watchdog/watchdog0/nowayout
nowayout 1 0.
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