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

Passo 2 - Ubuntu 11.10 32 bits - Script para instalação do Ruby e Rails

cd ~
rvm install 1.8.7
rvm use 1.8.7
rvm gemset create rails
rvm --default use 1.8.7@rails
gem install rails

echo "Criando uma aplicacao Rails com o Postgresql"
mkdir ~/Desktop/projetos
cd ~/Desktop/projetos
rails new demo -d postgresql
cd demo
echo "Adicione as seguintes linhas no arquivo Gemfile da raiz do projeto"
echo "gem 'execjs'" >> Gemfile
echo "gem 'therubyracer'" >> Gemfile
bundle install
echo "Iniciando a aplicacao Rails..."
rails s

Passo 3 - Ubuntu 11.10 32 bits - Script para instalação do Netbeans 7.1 e Java6

sudo add-apt-repository ppa:ferramroberto/java
sudo apt-get update
sudo apt-get install sun-java6-jdk sun-java6-plugin sun-java6-fonts

cd ~
wget http://download.netbeans.org/netbeans/7.0.1/final/bundles/netbeans-7.0.1-ml-linux.sh
chmod +x netbeans-7.0.1-ml-linux.sh
sh netbeans-7.0.1-ml-linux.sh