download / extract base data.

shapefiles.sh

# Download
mkdir -P ~/data/boundaries
cd ~/data/boundaries
wget http://tile.openstreetmap.org/world_boundaries-spherical.tgz
wget http://tile.openstreetmap.org/shoreline_300.tar.bz2
wget http://tile.openstreetmap.org/processed_p.tar.bz2
wget http://www.naturalearthdata.com/http//www.naturalearthdata.com/download/10m/cultural/10m-populated-places.zip
wget http://www.naturalearthdata.com/http//www.naturalearthdata.com/download/110m/cultural/110m-admin-0-boundary-lines.zip

# Extract
cd ~/data/boundaries
tar xvzf world_boundaries-spherical.tgz -C .
tar xvjf processed_p.tar.bz2 -C world_boundaries
tar xvjf shoreline_300.tar.bz2 -C world_boundaries
unzip 10m-populated-places.zip -d world_boundaries
unzip 110m-admin-0-boundary-lines.zip -d world_boundaries