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1.
Expose the GPIO register.
(plano)ubuntu@localhost:~$ sudo sh -c 'echo 346 > /sys/class/gpio/export;
sleep 2; echo out > /sys/class/gpio/gpio346/direction'
2.
Command to turn on the LED.
(plano)ubuntu@localhost:~$ sudo sh -c 'echo 1 > /sys/class/gpio/gpio346/
value'
3.
Command to turn off the LED.
(plano)ubuntu@localhost:~$ sudo sh -c 'echo 0 > /sys/class/gpio/gpio346/
value'
Restoring Snappy Ubuntu Core Series 16
CAUTION: Following the steps deletes all the data on your system.
The following steps refer to different methods through which the Snappy Ubuntu Core Series 16 operating system can be
restored to the factory image.
External storage
On supported platforms, you can download the factory image from
external media kit. For more information, see www.dell.com/support/article/us/en/19/SLN301761.
Factory OS recovery image
You can restore Snappy Ubuntu Core Series 16 on the Edge Gateway using the recovery OS image on the boot partition.
Reset the system back to the factory image if you encounter any of the following situations:
· You are unable to start the operating system.
· The operating system is damaged.
Connect a keyboard, mouse, and monitor to the Edge Gateway, or connect to the Edge Gateway through a KVM session.
1.
Turn on the system.
2.
Press F12 when the Dell logo is displayed on the screen to enter the boot menu.
3.
Select Factory Restore from the boot menu.
CAUTION: Following the step deletes all the data on your system.
4.
Press Y when prompted Factory Restore will delete all user data, are you sure?
[Y/N].
System restore starts and reinstalls the OS on your Edge Gateway.
Flashing a new OS Image
Pre-requisites
· USB 2.0 or USB 3.0 flash drive (4 GB min.)
· Ubuntu Snappy Core 16 ISO.
NOTE: You can download the latest version of the Ubuntu ISO file from http://releases.ubuntu.com.
· A released Snappy Ubuntu Core 16 image from Dell/Canonical: <unique name>.img.xz
· Dell Edge Gateway 3000 series hardware
· USB keyboard
· USB mouse
· Ethernet cable (x2)
· Ubuntu workstation with Ubuntu 14.04 release or higher.
www.dell.com
to restore your Edge Gateway by
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