Accessing the MicroSD Slot
The E12 includes an on the board
2
microSD slot for reflashing your device to its factory state. You can also use a
card in this slot as additional flash storage on your gateway if you need it.
The following instructions will work for ext4-, FAT32-, or exFAT-formatted cards. Ubuntu Linux 14.04 does not
support exFAT by default. You will need to run the following command for exFAT support:
sudo apt-get install exfat-fuse exfat-utils
To access a card in the microSD slot:
1. Insert the microSD card into the microSD card slot at the end of the E12:
2. Create a mount point for the card. In this example, the directory will be named sdcard, and it will be in the /mnt
directory. (If you have previously done this, you do not need to repeat it.)
sudo mkdir /mnt/sdcard
3. Mount the card. (For these commands, replace
p1
with the partition number you want to mount.)
a. For cards formatted with the ext4 file system:
sudo mount –t ext4 /dev/mmcblk0
p1
/mnt/sdcard
b. For cards formatted with the FAT32 file system:
sudo mount –t vfat /dev/mmcblk0
p1
/mnt/sdcard
c. For cards formatted with the exFAT file system:
sudo mount –t exfat /dev/mmcblk0
p1
/mnt/sdcard
You can confirm it is mounted by using the mount command and looking for an entry like the following (with the
appropriate file system format):
/dev/mmcblk0 on /mnt/sdcard type ext4 (rw)
You can use the ls command to list the available partitions
:
ls /dev/mmcblk0p*
2
Early versions of the hardware may not include this feature. See the
Factory Restore / Re-Flashing Your E12 on
page 24.
section later in this document to determine whether your hardware has it.
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