我安装得像这样:
sudo apt-get install build-essential zlib1g-dev libssl-dev libreadline6-dev libyaml-dev ruby1.9.1
mkdir rubysource
cd rubysource
wget http://cache.ruby-lang.org/pub/ruby/2.0/ruby-2.0.0-p247.tar.gz
tar -xvzf ruby-2.0.0-p247.tar.gz
cd ruby-2.0.0-p247/
./configure --prefix=/usr/local
make
make install
ruby-v的结果现在是:
ruby 2.0.0p247(2013-06-27修订版41674)[i686-linux]
但是当我更改我的rails项目目录并尝试启动服务器(rails s)或尝试“rails -v”时,答案总是: 您的Ruby版本是1.9.3,但您的Gemfile指定为2.0.0
Gemfile是:
ruby '2.0.0'
source 'http://rubygems.org'
gem 'rails', '4.0.0'
gem 'jquery-rails', '2.1.1'
gem 'capistrano', '2.14.1'
gem "therubyracer", '~> 0.11.4'
gem 'carrierwave', '0.8.0'
gem 'haml', '~> 4.0'
gem 'mysql2', '0.3.11'
gem 'rmagick', '2.13.2'
gem 'sitemap_generator', '3.4'
gem 'whenever', '0.7.3', :require => false
gem 'will_paginate', '3.0.3'
gem "friendly_id", "~> 5.0.0.beta4"
gem 'turbolinks'
gem 'jquery-turbolinks'
gem 'protected_attributes'
gem 'sass-rails', '~> 4.0.0'
gem 'coffee-rails', '~> 4.0.0'
gem 'uglifier', '>= 1.3.0'
group :development do
gem 'rspec-rails', '2.13.2'
gem 'annotate', '~> 2.4.1.beta'
gem 'faker', '0.9.5', :require => false
# gem 'ruby-debug19', '0.11.6'
gem "database_cleaner", "~> 1.0.1"
gem 'debugger'
end
group :test do
gem 'rspec-rails', '2.13.2'
gem 'webrat', '0.7.3'
gem 'factory_girl_rails', '4.1.0'
gem 'spork', '~> 0.9.0.rc'
end
# To use debugger
# gem 'ruby-debug19', :require => 'ruby-debug'
为什么rails不识别新的ruby版本?
答案 0 :(得分:0)
答案 1 :(得分:-1)
如果您使用RVM,请在终端中执行:/bin/bash --login
(对于Ubuntu 13.04)
否则执行sudo apt-get remove ruby
并安装ruby 2.0.0(但我建议使用Ruby Version Manager)