sudo <aptitute|apt-get> install git-core texinfo chrpath gawk
Install other dependencies when asked
git clone https://github.com/Angstrom-distribution/setup-scripts angstrom
cd angstrom
export MACHINE=beagleboard
./oebb.sh config beagleboard
. environment-angstrom-v2013.6 # replace v2013.6 with whatever's in your directory
export MACHINE=beagleboard
bitbake virtual/kernel
bitbake console-image
git pull
./oebb.sh update