[qwert@qwert-work rubyprojects]$ cd depot/
[qwert@qwert-work depot]$ rails generate scaffold product title:string description:text image_url:string
/usr/lib/ruby/gems/1.9.1/gems/execjs-1.3.1/lib/execjs/runtimes.rb:50:in `autodetect': Could not find a JavaScript runtime. See https://github.com/sstephenson/execjs for a list of available runtimes. (ExecJS::RuntimeUnavailable)
    from /usr/lib/ruby/gems/1.9.1/gems/execjs-1.3.1/lib/execjs.rb:5:in `<module:ExecJS>'
    from /usr/lib/ruby/gems/1.9.1/gems/execjs-1.3.1/lib/execjs.rb:4:in `<top (required)>'
    from /usr/lib/ruby/gems/1.9.1/gems/coffee-script-2.2.0/lib/coffee_script.rb:1:in `require'
    from /usr/lib/ruby/gems/1.9.1/gems/coffee-script-2.2.0/lib/coffee_script.rb:1:in `<top (required)>'
    from /usr/lib/ruby/gems/1.9.1/gems/coffee-script-2.2.0/lib/coffee-script.rb:1:in `require'
    from /usr/lib/ruby/gems/1.9.1/gems/coffee-script-2.2.0/lib/coffee-script.rb:1:in `<top (required)>'
    from /usr/lib/ruby/gems/1.9.1/gems/coffee-rails-3.2.2/lib/coffee-rails.rb:1:in `require'
    from /usr/lib/ruby/gems/1.9.1/gems/coffee-rails-3.2.2/lib/coffee-rails.rb:1:in `<top (required)>'
    from /home/qwert/.gem/ruby/1.9.1/gems/bundler-1.1.3/lib/bundler/runtime.rb:68:in `require'
    from /home/qwert/.gem/ruby/1.9.1/gems/bundler-1.1.3/lib/bundler/runtime.rb:68:in `block (2 levels) in require'
    from /home/qwert/.gem/ruby/1.9.1/gems/bundler-1.1.3/lib/bundler/runtime.rb:66:in `each'
    from /home/qwert/.gem/ruby/1.9.1/gems/bundler-1.1.3/lib/bundler/runtime.rb:66:in `block in require'
    from /home/qwert/.gem/ruby/1.9.1/gems/bundler-1.1.3/lib/bundler/runtime.rb:55:in `each'
    from /home/qwert/.gem/ruby/1.9.1/gems/bundler-1.1.3/lib/bundler/runtime.rb:55:in `require'
    from /home/qwert/.gem/ruby/1.9.1/gems/bundler-1.1.3/lib/bundler.rb:119:in `require'
    from /home/qwert/rubyprojects/depot/config/application.rb:7:in `<top (required)>'
    from /home/qwert/.gem/ruby/1.9.1/gems/railties-3.2.3/lib/rails/commands.rb:24:in `require'
    from /home/qwert/.gem/ruby/1.9.1/gems/railties-3.2.3/lib/rails/commands.rb:24:in `<top (required)>'
    from script/rails:6:in `require'
    from script/rails:6:in `<main>'
[qwert@qwert-work depot]$