title: how to fix: PG::ConnectionBad: fe_sendauth: no password supplied
body: <p>I'm inside my Ruby on Rails folder</p>
  
  <p>$ rails server</p>
  
  <pre><code>WARNING: Nokogiri was built against LibXML version 2.9.4, but has dynamically loaded 2.8.0
  ** Invoke db:migrate (first_time)
  ** Invoke db:load_config (first_time)
  ** Invoke environment (first_time)
  ** Execute environment
  ** Execute db:load_config
  ** Execute db:migrate
  rake aborted!
  PG::ConnectionBad: fe_sendauth: no password supplied
  /Users/snowflake/.rvm/gems/ruby-2.5.1@global/gems/rake-12.3.1/exe/rake:27:in `&lt;top (required)&gt;'
  /Users/snowflake/.rvm/gems/ruby-2.5.1/bin/ruby_executable_hooks:15:in `eval'
  /Users/snowflake/.rvm/gems/ruby-2.5.1/bin/ruby_executable_hooks:15:in `&lt;main&gt;'
  Tasks: TOP =&gt; db:migrate
  (See full trace by running task with --trace)
  </code></pre>
  
  <p>datebase.yml</p>
  
  <pre><code>development:
   adapter: postgresql
   encoding: unicode
   database: pcms_development
   host: localhost
   pool: 5
   username: postgres
   password: 
  
  test:
   adapter: postgresql
   encoding: unicode
   database: pcms_test
   host: localhost
   pool: 5
   username: postgres
   password: 
  </code></pre>
  
  <p>I just installed Postgresql Server, PGAdmin, Stack Tools onto my new Mac mini. On my MacBook I had a postgresql server icon that showed all the servers. (this is missing on my Mac mini) </p>
  
  <p>PGAdmin is running. </p>
  
  <p>localhost:3000/welcome/index</p>