1/Create "world_boundaries" folder inside tilemillstyle24
2/ Cd to "world_boundaries" folder
3/ Downloading the Coastlines Shapefiles and extract files
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All these actions are regrouped in the script file get-coastlines.sh in this directory
wget http://tile.openstreetmap.org/world_boundaries-spherical.tgz # (51M)
wget http://tile.openstreetmap.org/processed_p.tar.bz2 # (391M)
wget http://tile.openstreetmap.org/shoreline_300.tar.bz2 # (42M)
wget http://www.naturalearthdata.com/http//www.naturalearthdata.com/download/10m/cultural/ne_10m_populated_places.zip # (1.5 MB)
wget http://www.naturalearthdata.com/http//www.naturalearthdata.com/download/110m/cultural/ne_110m_admin_0_boundary_lines_land.zip # (44 KB)
tar xzf world_boundaries-spherical.tgz # creates a 'world_boundaries' folder
tar xjf processed_p.tar.bz2
tar xjf shoreline_300.tar.bz2
unzip -q ne_10m_populated_places.zip
unzip -q ne_110m_admin_0_boundary_lines_land.zip