Creating a bootable SDcard

All the process was made with a SD CARD 8GB

The operation could be made with any other sd card.

Install Gparted

sudo apt-get install gparted

Execute gparted as root

sudo gparted

Create a 32MB FAT32 partition with the label: boot

Create a EXT3 partition with the rest of the SD CARD with the label: rootfs

Apply the operation to get your SD Card correctly partitioned and formated

Add the boot flags

The gparted allow you to add those flags , add a boot flag to FAT32 partition.

-->Partition tag 
---->Manage Flags
------->Add the boot flag