Creating database =================== OSM server uses a database with the following name: openstreetmap You may create it with your preferable client or run next (linux) command: $ mysql -u -p (change with appropriate username of administrative user eg. root ) > create database openstreetmap default character set utf8; > exit Creating user, password, and access rights ============================================ $ mysql -u -p (change with appropriate username of administrative user eg. root ) > grant all privileges on openstreetmap.* to 'openstreetmap'@'localhost' identified by 'openstreetmap'; > flush privileges; > exit Creating functions For MySQL ============================== Run this command in the db/functions directory: $ make libmyosm.so Make sure the db/functions directory is on the MySQL server's library path and restart the MySQL server. On Linux the easiest way to do this is to create /etc/ld.so.conf.d/osm.conf, and place the path to the db/functions directory in it and then run the ldconfig command as root. On OS X: sudo ln -s /path_to_your_osm_install/sites/rails_port/db/functions/libmyosm.so /usr/local/lib/libmyosm.so Now create the functions as follows: $ mysql -u -p openstreetmap (change with appropriate username of administrative user eg. root ) > create function tile_for_point returns integer soname 'libmyosm.so'; > create function maptile_for_point returns integer soname 'libmyosm.so'; > exit Creating functions for PgSQL ============================== Run this command in the db/functions directory: $ make libpgosm.so Now create the function as follows: $ psql openstreetmap (This may need authentication or a -u ) > CREATE FUNCTION maptile_for_point(int8, int8, int4) RETURNS int4 AS '/path/to/rails-port/db/functions/libpgosm.so', 'maptile_for_point' LANGUAGE C STRICT; Creating database skeleton tables =================================== Run this command from the root of your rails directory: $ rake db:migrate This will create the db for you