REDSNAKE:
fdisk /dev/mmcblk0
Welcome to fdisk (util-linux 2.29.2).
Changes will remain in memory only, until you decide to write them.
Be careful before using the write command.
Command (m for help): p
Disk /dev/mmcblk0: 14.4 GiB, 15489564672 bytes, 30253056 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: dos
Disk identifier: 0xee397c53
Device Boot Start End Sectors Size Id Type
/dev/mmcblk0p1 8192 93813 85622 41.8M c W95 FAT32 (LBA)
/dev/mmcblk0p2 94208
3621911 3527704 1.7G 83 Linux
dd if=/dev/mmcblk0 bs=512 count=
3621911 | gzip > /mnt/_TMP/image.img.gz