How to install Ruby, Rails and MySQL on Ubuntu Server?

For this tutorial we will be using Ruby 1.9.3 and Rails 3.2.1

First thing update
$ sudo apt-get update

Next, we are going to install git, RVM which is essential for the build

$sudo apt-get install build-essential git-core curl

RVM stands for Ruby Version Manager that is used for installing and managing multiple versions of Ruby at one point of time.

$ curl -L get.rvm.io | bash -s stable

To load RVM into bash, type in

$ echo ‘[[ -s “$HOME/.rvm/scripts/rvm” ]] && source “$HOME/.rvm/scripts/rvm”‘ >> ~/.bashrc

$ source /etc/profile.d/rvm.sh

Reload bashrc by issuing the command

$ . ~/.bashrc

Check rvm requirements

$ rvm requirements

Load all packages that are necessary to be loaded for Ruby to run

$ sudo apt-get 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 ncurses-dev automake libtool bison \
subversion nodejs

Install RVM

$ rvm install 1.9.3

To use RVM, type

$ rvm use 1.9.3

To know the version of Ruby that is installed type

$ ruby -v
ruby 1.9.3p194 (2012-04-20 revision 35410) [x86_64-linux]

To make the Ruby the default version for the user

$ rvm –default use 1.9.3-p194

Install rails by typing

$ gem install rails -v 3.2.3

$ rails new [project name]

$ rvm use 1.9.3-p194@rails3 –rvmrc

You can install MySQL or SQLLite. In this tutorial we will be installing MySQL

$ sudo apt-get install mysql-server mysql-client

$ sudo apt-get install libmysql-ruby libmysqlclient-dev

$ sudo gem install mysql

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