ruby on rails installation and configuration on Amazon EC2 Linux instance

1. sudo yum install -y git-core zlib zlib-devel gcc-c++ patch readline readline-devel libyaml-devel libffi-devel openssl-devel make bzip2 autoconf automake libtool bison curl sqlite-devel
2. git clone git://github.com/sstephenson/rbenv.git .rbenv
3. echo 'export PATH="$HOME/.rbenv/bin:$PATH"' >> ~/.bash_profile
4. echo 'eval "$(rbenv init -)"' >> ~/.bash_profile
5. exec $SHELL
6. git clone git://github.com/sstephenson/ruby-build.git ~/.rbenv/plugins/ruby-build
7. echo 'export PATH="$HOME/.rbenv/plugins/ruby-build/bin:$PATH"' >> ~/.bash_profile
8. exec $SHELL
9. rbenv install -v 2.2.4
10. ruby --version
11. rbenv global 2.2.4
12. git clone git://github.com/nodejs/node.git
13. cd node
14. git checkout v6.0.0
15. ./configure
16. make
17. sudo make install
18. sudo su
19. git clone https://github.com/isaacs/npm.git
20. cd npm/
21. exit
22. sudo make install

To access webapp running on Amazon instance from laptop, make sure you start rails with "-b 0.0.0.0" option to bind it on all interfaces and configure security groups to allow custom tcp traffic on whichever port rails is listening