Question

I’m trying to get Postgres up and running on OS X Lion – homebrew – rvm.

http://railscasts.com/episodes/342-migrating-to-postgresql

After following the above instructions, I ran into the same problem described here:

Repairing Postgresql after upgrading to OSX 10.7 Lion

Running which psql yields usr/bin/psql when it should be usr/local/bin/psql

Ok, I understand that I need to edit my bash file with export PATH=/usr/local/bin:$PATH

There’s a ton of questions on here mentioning this is what I should do.

UPDATE

Here’s what I tried:

I opened up the .bash_file this way:

open -e ~/.bash_profile

And modified it like this (this is all that is in the file):

export PATH="/usr/local/bin:$PATH"
[[ -s "/Users/chase/.rvm/scripts/rvm" ]] && source "/Users/chase/.rvm/scripts/rvm"

Running source ~/.bash_profile then which psql now yields usr/local/bin/psql

Which seems to have answered the main question.

However, when I go generate a new rails app with -d postgresql as the database, it works up until I try rake db:create:all which results in

could not connect to server: No such file or directory
    Is the server running locally and accepting
    connections on Unix domain socket "/tmp/.s.PGSQL.5432"?

But I suppose that’s for another question ; )

Postgres – could not connect to server after trying rake db:create:all

Answer 1

Your bash file is located in your home directory ~/.bash_profile. Use any editor to modify it.

You can enter nano ~/.bash_profile in the terminal if you don’t have an editor set up, and it will open a simple editor in the terminal to enable you to edit the file. It will do the job, but everybody should really switch to a better editor.

There you have to change the order of the export PATH elements. Just put /usr/local/bin before /usr/bin so the shell will check the /usr/local/bin first.