byebug - Need help getting rails server to work -

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so feel incredibly frustrated. doing www.railstutorial.org , require specific version of rails (4.2.2). have installed wanted. put in gemfile specs on "hello_app" app provided. when run "rails server" error message saying "byebug" erroring. try install earlier , later versions of bye bug , same error message. can please me? feel pretty lost.

the tutorial @ url below.

https://www.railstutorial.org/book/beginning#code-hello_action

 alopex@alopex-th55-hd:~/workspace/hello_app$ more gemfile  source 'https://rubygems.org   gem 'rails',                '4.2.2'  gem 'sass-rails',           '5.0.2'  gem 'uglifier',             '2.5.3'  gem 'coffee-rails',         '4.1.0'  gem 'jquery-rails',         '4.0.3'  gem 'turbolinks',           '2.3.0'  gem 'jbuilder',             '2.2.3'  gem 'sdoc',                 '0.4.0', group: :doc  group :development, :test  gem 'sqlite3',     '1.3.9'  gem 'byebug',      '3.4.0'  gem 'web-console', '2.0.0.beta3'  gem 'spring',      '1.1.3' end  alopex@alopex-th55-hd:~/workspace/hello_app$ bundle install   gem::installerror: byebug requires ruby version >= 2.0.0.  error occurred while installing byebug (3.4.0), , bundler cannot  continue.  make sure `gem install byebug -v '3.4.0'` succeeds before bundling.   alopex@alopex-th55-hd:~/workspace/hello_app$ sudo gem install byebug -v 3.4.0  error:  error installing byebug:  byebug requires ruby version >= 2.0.0.

i fixed problem in way:

  • open application's gemfile
  • remove: gem 'byebug'
  • replace with: gem 'pry-byebug', platform: [:ruby_20]

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