error with postgresql datababse : Is the server running locally and accepting connections on Unix domain socket “/var/run/postgresql/.s.PGSQL.5432”?

Question

When I run the rake db:migrate or run the rails s command, I get the same error:

Error : could not connect to server: 
No such file or         


        

Answer 1

I solved It . I Just created a softlink using :

sudo ln -s /tmp/.s.PGSQL.5432 /var/run/postgresql/.s.PGSQL.5432

and then edited the

/etc/postgresql/9.4/main/pg_hba.conf

( If you have another version of postgresql you have to change 9.4 in the path)

From:

local all postgres peer

To:

local all postgres md5