我想在 ubuntu 11.10 上安装 rails 3.2.1。我已经安装了 rbenv,ruby-build。
当我跑
gem install rails
它告诉我
Successfully installed rails-3.2.1
1 gem installed
Installing ri documentation for rails-3.2.1...
Installing RDoc documentation for rails-3.2.1...
然后在rbenv rehash之后,如果我运行“rails”,它就找不到二进制文件。所以我猜没有安装rails。我能怎么做?
编辑:
~ » gem environment
RubyGems Environment:
- RUBYGEMS VERSION: 1.8.15
- RUBY VERSION: 1.9.3 (2011-10-30 patchlevel 0) [x86_64-linux]
- INSTALLATION DIRECTORY: /home/jafar/.rbenv/versions/1.9.3-p0/lib/ruby/gems/1.9.1
- RUBY EXECUTABLE: /home/jafar/.rbenv/versions/1.9.3-p0/bin/ruby
- EXECUTABLE DIRECTORY: /home/jafar/.rbenv/versions/1.9.3-p0/bin
- RUBYGEMS PLATFORMS:
- ruby
- x86_64-linux
- GEM PATHS:
- /home/jafar/.rbenv/versions/1.9.3-p0/lib/ruby/gems/1.9.1
- /home/jafar/.gem/ruby/1.9.1
- GEM CONFIGURATION:
- :update_sources => true
- :verbose => true
- :benchmark => false
- :backtrace => false
- :bulk_threshold => 1000
- REMOTE SOURCES:
- http://rubygems.org/
编辑 2:
gem list 告诉我安装了rails gem。当我搜索 rails 二进制文件时,我发现:
~ » find . -name rails
./.oh-my-zsh/plugins/rails
./Downloads/robbyrussell-oh-my-zsh-3629270/plugins/rails
./.rbenv/versions/1.9.3-p0/lib/ruby/gems/1.9.1/gems/railties-3.2.1/guides/code/getting_started/script/rails
./.rbenv/versions/1.9.3-p0/lib/ruby/gems/1.9.1/gems/railties-3.2.1/bin/rails
./.rbenv/versions/1.9.3-p0/lib/ruby/gems/1.9.1/gems/railties-3.2.1/lib/rails
./.rbenv/versions/1.9.3-p0/lib/ruby/gems/1.9.1/gems/railties-3.2.1/lib/rails/generators/rails
./.rbenv/versions/1.9.3-p0/lib/ruby/gems/1.9.1/gems/railties-3.2.1/lib/rails/generators/rails/app/templates/script/rails
./.rbenv/versions/1.9.3-p0/lib/ruby/gems/1.9.1/gems/railties-3.2.1/lib/rails/generators/rails/plugin_new/templates/rails
./.rbenv/versions/1.9.3-p0/lib/ruby/gems/1.9.1/gems/sass-rails-3.2.4/test/fixtures/engine_project/script/rails
./.rbenv/versions/1.9.3-p0/lib/ruby/gems/1.9.1/gems/sass-rails-3.2.4/test/fixtures/engine_project/test/dummy/script/rails
./.rbenv/versions/1.9.3-p0/lib/ruby/gems/1.9.1/gems/sass-rails-3.2.4/test/fixtures/scss_project/script/rails
./.rbenv/versions/1.9.3-p0/lib/ruby/gems/1.9.1/gems/sass-rails-3.2.4/test/fixtures/sass_project/script/rails
./.rbenv/versions/1.9.3-p0/lib/ruby/gems/1.9.1/gems/sass-rails-3.2.4/lib/sass/rails
./.rbenv/versions/1.9.3-p0/lib/ruby/gems/1.9.1/gems/sass-rails-3.2.4/lib/rails
./.rbenv/versions/1.9.3-p0/lib/ruby/gems/1.9.1/gems/activerecord-3.2.1/lib/rails
./.rbenv/versions/1.9.3-p0/lib/ruby/gems/1.9.1/gems/actionmailer-3.2.1/lib/rails
./.rbenv/versions/1.9.3-p0/lib/ruby/gems/1.9.1/gems/jquery-rails-2.0.0/lib/jquery/rails
./.rbenv/versions/1.9.3-p0/lib/ruby/gems/1.9.1/gems/sass-3.1.12/rails
./.rbenv/versions/1.9.3-p0/lib/ruby/gems/1.9.1/gems/coffee-rails-3.2.2/lib/coffee/rails
./.rbenv/versions/1.9.3-p0/lib/ruby/gems/1.9.1/gems/coffee-rails-3.2.2/lib/rails
./.rbenv/versions/1.9.3-p0/lib/ruby/gems/1.9.1/bin/rails
rails 二进制文件应该在 ~/.rbenv/shims 中,但不是。~/.rbenv/shims 在我的 PATH 中