Card reader question

[Colin Law]

On 18 July 2015 at 01:02, Phil <phil_lor at bigpond.com> wrote:
> On 17/07/15 04:25, Colin Law wrote:
>>
>> On 15 July 2015 at 02:21, Phil <phil_lor at bigpond.com> wrote:
>>>
>>> Thank you for reading this.
>>>
>>> /dev/mmcblk0 is created whenever I plug an SD card into my laptop, as
>>> expected. However, my new desktop doesn't have a card reader slot and so
>>> I
>>> have to use a USB card reader. The SD card is readable with a file
>>> manager
>>> but /dev/mmcblk0 is not created.
>>>
>>> How can I overcome this problem?
>>
>>
>> Run
>> df
>> and you will see where it is, probably dev/sdb or sdc
>
>
> Thanks Colin. I've since realised that I can no longer make an image of the
> SD card read from the USB card reader. Backup yes but not an image.

Why not, I do exactly that with
sudo dd if=/dev/sdb of=$FILENAME bs=10M

Colin