PiClone

Setup

Main sd card with another on an extension cable and card reader.

Links

https://www.raspberrypi.org/forums/viewtopic.php?f=63&t=35668&p=301919#p301919

http://www.johnaldred.com/moving-linux-to-smaller-sd-cards/

https://github.com/billw2/rpi-clone

https://www.raspberrypi.org/forums/viewtopic.php?f=29&t=13028

Then

sudo fdisk -l 

did show the disk

Device         Boot  Start      End  Sectors  Size Id Type
/dev/mmcblk0p1        8192   137215   129024   63M  c W95 FAT32 (LBA)
/dev/mmcblk0p2      137216 31422463 31285248 14.9G 83 Linux

Disk /dev/sda: 14.9 GiB, 15931539456 bytes, 31116288 sectors

after boot plug in card reader

Device     Boot  Start      End  Sectors  Size Id Type
/dev/sda1         8192   137215   129024   63M  c W95 FAT32 (LBA)
/dev/sda2       137216 30679039 30541824 14.6G 83 Linux

which i mou nted

Some results

pi@raspberrypi:~/Downloads $ unzip rpi-clone-master.zip
Archive:  rpi-clone-master.zip
f961aee3f9816d345c2df335aa96b3907ee68b09
   creating: rpi-clone-master/
  inflating: rpi-clone-master/README.md  
  inflating: rpi-clone-master/rpi-clone  
pi@raspberrypi:~/Downloads $ cd rpi-clone-master/
pi@raspberrypi:~/Downloads/rpi-clone-master $ cp rpi-clone /usr/local/sbin
cp: cannot create regular file ‘/usr/local/sbin/rpi-clone’: Permission denied
pi@raspberrypi:~/Downloads/rpi-clone-master $ sudo cp rpi-clone /usr/local/sbin
pi@raspberrypi:~/Downloads/rpi-clone-master $