Configure Watchdog Timer (Wdt) - Dell Edge Gateway 3003 Installation And Operation Manual

2. Download the latest metadata from LVFS.
# sudo fwupdmgr refresh
3. If firmware updates are available for the Edge Gateway, get updates.
# sudo fwupdmgr get-updates
4. Download and apply all updates to the Edge Gateway.
# sudo fwupdmgr update -v
Updates that can be applied without having to reboot will be installed immediately.
5. If there are updates that need to be installed after rebooting, reboot the Edge Gateway.
# sudo reboot
Ubuntu Server firmware update—Manual method
Follow these steps to update the Ubuntu Server firmware manually.
Search for the Edge Gateway firmware.cab file at
1. Display all devices detected by the fwupd command.
# sudo fwupdmgr get-devices
2. Install the downloaded firmware.cab file.
# sudo fwupdmgr [Installation path of firmware.cab] -v
3. Reboot the system to install the updates.
# sudo reboot

Configure Watchdog Timer (WDT)

We recommend to enable the WDT by default to activate the fail-safe circuitry.
For more information about WDT, see:
● msdn.microsoft.com/en-us/windows/hardware/gg463320
● lwn.net/Articles/701235/
Configuring Watchdog Timer (WDT)
We recommend to enable the WDT by default to activate the fail-safe circuitry.
1. Show the available WDT settings.
# cat /etc/watchdog.conf
NOTE: If watchdog-timeout= is set to a non-zero value, the watchdog hardware (/dev/watchdog or the path specified
with WatchdogDevice= or the kernel option systemd.watchdog-device=) will be programmed to automatically reboot
the system if it is not contacted within the specified timeout interval.
fwupd.org/lvfs/devicelist and copy it to the target device.
Setting up the operating system 67