Install Postgresql on Mac OS X

Here is the steps how you can install postgresql on Mac OS X:

1. install homebrew

ruby -e "$(curl -fsSL https://raw.github.com/Homebrew/homebrew/go/install)"

2. install postgresql

brew install postgresql

3. set automatic start

ln -sfv /usr/local/opt/postgresql/*.plist ~/Library/LaunchAgents

4. initialize database cluster

initdb -A trust /usr/local/var/postgres
initdb /usr/local/var/postgres -E utf8

5. create postgres role

createuser -s postgres

Start and stop manually

start:

launchctl load -w ~/Library/LaunchAgents/homebrew.mxcl.postgresql.plist

stop:

launchctl unload -w ~/Library/LaunchAgents/homebrew.mxcl.postgresql.plist