This is more of a cheat sheet. It assumes you know how to use SSH, Apache, Ruby and PHP.

• Get the latest version of Ubuntu Server.
• After Installation, login and type this into terminal:

  sudo apt-get upgrade

  Answer all questions with “y”.

• Setup SSH:

  sudo apt-get install openssh-server

• Install Apache:

  sudo apt-get install apache2

• Install PHP:

  sudo apt-get install php5

• Install MySQL:

  sudo apt-get install mysql-server mysql-client

  Enter password when asked.

• Link PHP and Mysql with Apache:

  sudo apt-get install libapache2-mod-auth-mysql
  sudo apt-get install php5-mysql

• Install Ruby:

  sudo apt-get install build-essential zlib1g-dev ruby-full

• Install SQLite3:

  sudo apt-get install sqlite3 libsqlite3-dev

• Install Ruby on Rails:

  sudo apt-get install rubygems
  gem install rails

• Install FTP:

  sudo apt-get install vsftpd

• You will have to change some settings to be able to download and upload files. Read this guide.