Setting up RAILS on Ubuntu

rails_installation_ubuntu

STEP 1:

$ sudo apt-get install build-essential openssl libreadline6 libreadline6-dev \
curl git-core 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 mustang

STEP 2:

$ bash -s stable < <(curl -s https://raw.github.com/wayneeseguin/rvm/master/binscripts/rvm-installer)

STEP 3:

$ source ~/.bashrc

STEP 4:

$ rvm install 1.9.3

STEP 5:

$ echo '[[ -s "$HOME/.rvm/scripts/rvm" ]] && . "$HOME/.rvm/scripts/rvm" # Load RVM function' >> ~/.bashrc && source ~/.bashrc

STEP 6: (check if 'rvm' is installed properly)

$ type rvm | head -1

it should give

  rvm is a function

STEP 7:

$ rvm use 1.9.3 --default

STEP 8:

$ gem install -V rails -v 3.2

Done!