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echo: rberrypi
to: THE NATURAL PHILOSOPHER
from: DRUCK
date: 2019-03-01 08:01:00
subject: Re: Copying a working SD

On 01/03/2019 04:26, The Natural Philosopher wrote:
> On 28/02/2019 18:06, Rob Morley wrote:
>> On Thu, 28 Feb 2019 15:55:26 +0000
>> The Natural Philosopher  wrote:
>>>
>>> Looking at my Pi the card has two partitions. One is ext4 and is
>>> mounted on /
>>>
>>> The other is on /boot, type vfat
>>>
>>> Now, as I understand it, the PI has no boot sector, so all you need
>>> to do is partition a raw card with anbout 44M as VFAT, and the rest
>>> as ext 4.
>>>
>>> Then copy your existing files from one to the other.
>>>
>>> You will need to patch the /etc/fstab on the new card to reflect the
>>> blockids of the new partitions
>>>
>>> Or make the new  partition UUIDS the same as the old SD card
>>>
>>> Linux command blkid is your friend here.
>>>
>>>
>> stick the card in a USB card reader then
>> dd if=/dev/yourusb of=/home/yourname/somefile.img bs=4096
>> swap cards and
>> dd if=/home/yourname/somefile.img of=/dev/yourusb bs=4096
>> no messing around with partitions required
>>
> except you will end up with a partition the same size you started with.

Then you use; resize2fs /dev/yourusb

---druck

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