Rake db:create fails to connect to server - postgresql

Question

I am having some troubles creating my database.
My postgresql is running for sure.
Here's the database.yml:
development:
<<: *default
database: name_of_database
User: username
Password: tototo
I get the message:
Called from /usr/local/bundle/gems/activesupport-4.2.5.1/lib/active_support/dependencies.rb:240:in `load_dependency'
could not connect to server: No such file or directory
Is the server running locally and accepting
connections on Unix domain socket "/var/run/postgresql/.s.PGSQL.5432"?
/usr/local/bundle/gems/activerecord-4.2.5.1/lib/active_record/connection_adapters/postgresql_adapter.rb:651:in `initialize'
/usr/local/bundle/gems/activerecord-4.2.5.1/lib/active_record/connection_adapters/postgresql_adapter.rb:651:in `new'
[...]
/usr/local/bundle/bin/rake:17:in `<main>'
Couldn't create database for {"adapter"=>"postgresql", "encoding"=>"unicode", "pool"=>5, "database"=>"name_of_database", "User"=>"username", "Password"=>"tototo"}
could not connect to server: No such file or directory
Is the server running locally and accepting
connections on Unix domain socket "/var/run/postgresql/.s.PGSQL.5432"?
[...]
/usr/local/bundle/gems/rake-12.0.0/lib/rake/application.rb:77:in `run'
/usr/local/bundle/gems/rake-12.0.0/exe/rake:27:in `<top (required)>'
/usr/local/bundle/bin/rake:17:in `load'
/usr/local/bundle/bin/rake:17:in `<main>'
Couldn't create database for {"adapter"=>"postgresql", "encoding"=>"unicode", "pool"=>5, "database"=>"name_of_database"}
I created the user giving it every rights.
I can connect to postgresql with the client using the IDs.
And I have an other project succeeding to connect to postgres.
Does someone have an idea to fix this?
Thanks.

Answer 1

Your postgres server might not had started try this
$sudo service postgresql restart
Then go to your rails project
$rake db:setup
$rake db:seed
$rake db:migrate