Install Ruby on Rails on Ubuntu 12.04 LTS (Precise Pangolin)

gistfile1.sh

!#/bin/bash
# install on AMI Sydney Ubuntu 12.04 lTS
# ami-4cf26376
# ap-southeast-2  precise	12.04 LTS	amd64	ebs	20130222	ami-4cf26376
# https://console.aws.amazon.com/ec2/home?region=ap-southeast-2#launchAmi=ami-4cf26376
# run as user 'ubuntu'
# bash <(curl -s http://mywebsite.com/myscript.txt)

sudo apt-get -q -y update
sudo apt-get -q -y upgrade

# install rvm
sudo apt-get -q -y install curl
curl -L https://get.rvm.io | bash -s stable
source ~/.rvm/scripts/rvm

# For rvm:
sudo apt-get -q -y --no-install-recommends install bash curl git patch bzip2

# For ruby:
sudo apt-get -q -y --no-install-recommends install build-essential openssl libreadline6 libreadline6-dev curl git-core zlib1g zlib1g-dev libssl-dev libyaml-dev libsqlite3-dev sqlite3 libxml2-dev libxslt-dev autoconf libc6-dev libgdbm-dev ncurses-dev automake libtool bison subversion pkg-config libffi-dev

rvm install 1.9.3
rvm rubygems current

#install rails and others
gem install rails

# others
gem install sqlite3
sqlite
sudo apt-get install -q -y sqlite
sudo apt-get install -q -y imagemagick