Linux Ask!

Linux Ask! is a Q & A web site specific for Linux related questions. Questions are collected, answered and audited by experienced Linux users.

Nov 242010

Install RubyOnRails in Ubuntu


In the last article, we talked how to install Ruby in Ubuntu. Now, we are going to install a very popular web framework for Ruby - RubyOnRails.

Firstly, you need to install RubyGems, a gem is a packaged Ruby application or library.

# sudo apt-get install rubygems

Then, we use the gem command to install rails.

# sudo gem install rails

That's all.

Nov 232010

Install Ruby in Ubuntu


To install Ruby under Ubuntu, you need to type the commands below:

# sudo apt-get install ruby-full build-essential

The above command will install more than the Ruby interpreter, but they are useful when you want to play with RubyOnRails later.

Aug 152010

Multi-line string in Ruby


To declare a multi-line string in Ruby, it is as easy as the following.

sql = "
        SELECT *
            FROM `user` AS u
            JOIN `company` AS c
                ON u.cid =
             WHERE = 8

puts sql