Passo 1 - Ubuntu 11.10 32 bits - Script para instalação do PostgreSQL-9.1 e RVM

sudo apt-get install git git-core curl build-essential openssl libreadline6 libreadline6-dev zlib1g zlib1g-dev libssl-dev libyaml-dev libsqlite3-0 libsqlite3-dev sqlite3 libxml2-dev libxslt-dev autoconf libc6-dev ncurses-dev automake libtool bison subversion

sudo apt-get install postgresql-9.1 postgresql-client-9.1 postgresql-server-dev-9.1 pgadmin3

echo "alter user postgres password 'postgres'" | sudo su postgres -c 'psql template1'

cd ~ 

bash < <(curl -s https://rvm.beginrescueend.com/install/rvm)

source ~/.bashrc