Postgres install commands for Elementary OS

postgres config.sh

Postgres
$ sudo sh -c "echo 'deb http://apt.postgresql.org/pub/repos/apt/ precise-pgdg main' > /etc/apt/sources.list.d/pgdg.list"
$ wget --quiet -O - http://apt.postgresql.org/pub/repos/apt/ACCC4CF8.asc | sudo apt-key add -
$ sudo apt-get update

$ sudo apt-get install postgresql-common
$ sudo apt-get install postgresql-9.3 libpq-dev

$ sudo -u postgres createuser username -s

Acessar postgres:
$ sudo -u postgres psql

Mudar senha:
postgres=# \password username

Sair:
\q

thanks...