Installing Poky on Ubuntu

$: sudo apt-get install gawk wget git-core diffstat unzip texinfo build-essential chrpath

$: sudo apt-get install gcc-multilib socat cpio python python3 python3-pip python3-pexpect xz-utils debianutils iputils-ping

If host system supports graphics, run the following command:

$: sudo apt-get install libsdl1.2-dev xterm

ref.

http://www.yoctoproject.org/docs/2.4/yocto-project-qs/yocto-project-qs.html#yp-resources

Downloading the Poky source code

$: git clone git://git.yoctoproject.org/poky --branch [daisy]

Preparing the build environment

$: source poky/oe-init-build-env [build-directory]

Modified buld/local.conf

MACHINE ??= "qemuarm"

Building a target image

$: ls meta*/recipes*/images/*.bb

$: bitbake <recipe name>

$: bitbake core-image-full-cmdline