Installing Ruby on Ubuntu

These instructions allow you to install Ruby 1.9 on Ubuntu 14.04.

Install the required libraries. From the terminal type:

sudo apt-get install ruby-dev ruby-sqlite3 ruby-sinatra ri1.9

Verify that Ruby was installed correctly. Type at the terminal:
```
ruby -v
```
The output should be:
```
ruby 1.9.3p484 (2013-11-22 revision 43786) [x86_64-linux]
```
To run the Interactive Ruby Shell (IRB) type at the terminal:
```
irb
```
Press Ctrl+D to exit.
A nice editor for Ruby is Komodo Edit.

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