uSD partition resize

From the command prompt launch fdisk:

# fdisk /dev/mmcblk0

type p:

Device         Boot  Start      End  Sectors  Size Id Type
/dev/mmcblk0p1 *      8192   249855   241664  118M  c W95 FAT32 (LBA)
/dev/mmcblk0p2      249856 15677439 15427584  7.4G 83 Linux

Delete the primary Linux partition with d. The partition number is 2

Create a new primary partition with the command n starting from the same block and ending to the maximum block indicated as default.

Write the table with w then exit with q.

Reboot the board with:

# reboot

once the system has reboot and you are back at the commandline enter the following command:

# resize2fs /dev/mmcblk0p2
resize2fs 1.42.12 (29-Aug-2014)
Filesystem at /dev/mmcblk0p2 is mounted on /; on-line resizing required
old_desc_blocks = 1, new_desc_blocks = 1
EXT4-fs (mmcblk0p2): resizing filesystem from 188416 to 1928448 blocks
EXT4-fs (mmcblk0p2): resized filesystem to 1928448
The filesystem on /dev/mmcblk0p2 is now 1928448 (4k) blocks long.

Author: Sergio Tanzilli - tanzilli@acmesystems.it
System designer and CEO of Acme Systems srl
Web master of: https://www.acmesystems.it and http://www.tanzolab.it
Software developer on: https://github.com/tanzilli and https://github.com/acmesystemsss