rake db:create
/.rvm/gems/ruby-2.0.0-p643/gems/bundler-1.11.2/lib/bundler/shared_helpers.rb:78: warning: Insecure world writable dir /usr in PATH, mode 040777
FATAL: Peer authentication failed for user "geo_rails_test_creator"
/.rvm/gems/ruby-2.0.0-p643/gems/activerecord-3.2.8/lib/active_record/connection_adapters/postgresql_adapter.rb:1213:in `initialize'
/.rvm/gems/ruby-2.0.0-p643/gems/activerecord-3.2.8/lib/active_record/connection_adapters/postgresql_adapter.rb:1213:in `new'
/.rvm/gems/ruby-2.0.0-p643/gems/activerecord-3.2.8/lib/active_record/connection_adapters/postgresql_adapter.rb:1213:in `connect'
/.rvm/gems/ruby-2.0.0-p643/gems/activerecord-3.2.8/lib/active_record/connection_adapters/postgresql_adapter.rb:329:in `initialize'
/.rvm/gems/ruby-2.0.0-p643/gems/activerecord-postgis-adapter-0.6.6/lib/active_record/connection_adapters/postgis_adapter/rails3/main_adapter.rb:48:in `initialize'
/.rvm/gems/ruby-2.0.0-p643/gems/activerecord-postgis-adapter-0.6.6/lib/active_record/connection_adapters/postgis_adapter/rails3/create_connection.rb:85:in `new'
/.rvm/gems/ruby-2.0.0-p643/gems/activerecord-postgis-adapter-0.6.6/lib/active_record/connection_adapters/postgis_adapter/rails3/create_connection.rb:85:in `postgis_connection'
/.rvm/gems/ruby-2.0.0-p643/gems/activerecord-3.2.8/lib/active_record/connection_adapters/abstract/connection_pool.rb:309:in `new_connection'
/.rvm/gems/ruby-2.0.0-p643/gems/rgeo-activerecord-0.5.0/lib/rgeo/active_record/ar_factory_settings.rb:214:in `new_connection'
/.rvm/gems/ruby-2.0.0-p643/gems/activerecord-3.2.8/lib/active_record/connection_adapters/abstract/connection_pool.rb:319:in `checkout_new_connection'
/.rvm/gems/ruby-2.0.0-p643/gems/activerecord-3.2.8/lib/active_record/connection_adapters/abstract/connection_pool.rb:241:in `block (2 levels) in checkout'
/.rvm/gems/ruby-2.0.0-p643/gems/activerecord-3.2.8/lib/active_record/connection_adapters/abstract/connection_pool.rb:236:in `loop'
/.rvm/gems/ruby-2.0.0-p643/gems/activerecord-3.2.8/lib/active_record/connection_adapters/abstract/connection_pool.rb:236:in `block in checkout'
/.rvm/rubies/ruby-2.0.0-p643/lib/ruby/2.0.0/monitor.rb:211:in `mon_synchronize'
/.rvm/gems/ruby-2.0.0-p643/gems/activerecord-3.2.8/lib/active_record/connection_adapters/abstract/connection_pool.rb:233:in `checkout'
/.rvm/gems/ruby-2.0.0-p643/gems/activerecord-3.2.8/lib/active_record/connection_adapters/abstract/connection_pool.rb:96:in `block in connection'
/.rvm/gems/ruby-2.0.0-p643/gems/activerecord-3.2.8/lib/active_record/connection_adapters/abstract/connection_pool.rb:95:in `connection'
/.rvm/gems/ruby-2.0.0-p643/gems/activerecord-3.2.8/lib/active_record/connection_adapters/abstract/connection_pool.rb:404:in `retrieve_connection'
/.rvm/gems/ruby-2.0.0-p643/gems/activerecord-3.2.8/lib/active_record/connection_adapters/abstract/connection_specification.rb:144:in `connection'
.rvm/gems/ruby-2.0.0-p643/gems/activerecord-postgis-adapter-0.6.6/lib/active_record/connection_adapters/postgis_adapter/rails3/databases.rake:159:in `create_database'
/.rvm/gems/ruby-2.0.0-p643/gems/activerecord-3.2.8/lib/active_record/railties/databases.rake:40:in `block (3 levels) in <top (required)>'
.rvm/gems/ruby-2.0.0-p643/gems/activerecord-3.2.8/lib/active_record/railties/databases.rake:40:in `each'
/.rvm/gems/ruby-2.0.0-p643/gems/activerecord-3.2.8/lib/active_record/railties/databases.rake:40:in `block (2 levels) in <top (required)>'
/.rvm/gems/ruby-2.0.0-p643/gems/rake-10.5.0/lib/rake/task.rb:240:in `call'
/.rvm/gems/ruby-2.0.0-p643/gems/rake-10.5.0/lib/rake/task.rb:240:in `block in execute'
/.rvm/gems/ruby-2.0.0-p643/gems/rake-10.5.0/lib/rake/task.rb:235:in `each'
/.rvm/gems/ruby-2.0.0-p643/gems/rake-10.5.0/lib/rake/task.rb:235:in `execute'
/.rvm/gems/ruby-2.0.0-p643/gems/rake-10.5.0/lib/rake/task.rb:179:in `block in invoke_with_call_chain'
/.rvm/gems/ruby-2.0.0-p643/gems/rake-10.5.0/lib/rake/task.rb:172:in `invoke_with_call_chain'
/.rvm/gems/ruby-2.0.0-p643/gems/rake-10.5.0/lib/rake/task.rb:165:in `invoke'
/.rvm/gems/ruby-2.0.0-p643/gems/rake-10.5.0/lib/rake/application.rb:150:in `invoke_task'
/.rvm/gems/ruby-2.0.0-p643/gems/rake-10.5.0/lib/rake/application.rb:106:in `block (2 levels) in top_level'
/.rvm/gems/ruby-2.0.0-p643/gems/rake-10.5.0/lib/rake/application.rb:106:in `each'
/.rvm/gems/ruby-2.0.0-p643/gems/rake-10.5.0/lib/rake/application.rb:106:in `block in top_level'
.rvm/gems/ruby-2.0.0-p643/gems/rake-10.5.0/lib/rake/application.rb:115:in `run_with_threads'
修改pg_hba.conf檔案，把peer改為md5