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新鮮的Ubuntu 10.04安裝：安裝紅寶石寶石，運行新的寶石後，返回「找不到」的錯誤
我有一些麻煩我的創業板安裝過程中發揮很好。任何時候，我安裝一個寶石，它通過一個不錯的，簡單的過程，沒有任何問題：
$ gem install rails
Successfully installed rails-3.2.2
1 gem installed
然後驗證版本，也許一個簡單的「軌道-v」？都能跟得上：
$ rails -v
/home/pragone/.rvm/rubies/ruby-1.9.3-p125/lib/ruby/site_ruby/1.9.1/rubygems/dependency.rb:247:in `to_specs': Could not find railties (>= 0) amongst [bigdecimal-1.1.0, io-console-0.3, json-1.5.4, minitest-2.5.1, rake-0.9.2.2, rdoc-3.9.4] (Gem::LoadError)
from /home/pragone/.rvm/rubies/ruby-1.9.3-p125/lib/ruby/site_ruby/1.9.1/rubygems/dependency.rb:256:in `to_spec'
from /home/pragone/.rvm/rubies/ruby-1.9.3-p125/lib/ruby/site_ruby/1.9.1/rubygems.rb:1210:in `gem'
from /home/pragone/.rvm/gems/ruby-1.9.3-p125/bin/rails:18:in `<main>'
因此，讓我們確保railties安裝：
$ gem install railties
Successfully installed railties-3.2.2
1 gem installed
，並嘗試再次獲得rails的版本：
$ rails -v
/home/pragone/.rvm/rubies/ruby-1.9.3-p125/lib/ruby/site_ruby/1.9.1/rubygems/dependency.rb:247:in `to_specs': Could not find railties (>= 0) amongst [bigdecimal-1.1.0, io-console-0.3, json-1.5.4, minitest-2.5.1, rake-0.9.2.2, rdoc-3.9.4] (Gem::LoadError)
from /home/pragone/.rvm/rubies/ruby-1.9.3-p125/lib/ruby/site_ruby/1.9.1/rubygems/dependency.rb:256:in `to_spec'
from /home/pragone/.rvm/rubies/ruby-1.9.3-p125/lib/ruby/site_ruby/1.9.1/rubygems.rb:1210:in `gem'
from /home/pragone/.rvm/gems/ruby-1.9.3-p125/bin/rails:18:in `<main>'
這種情況幾乎我安裝的每一個寶石。我試圖尋找一些關於如何用gem安裝的文檔，但找不到任何東西。似乎有些寶石安裝在一個位置，另一些位於另一個位置，其中一個位置不在我的路徑中。任何想法發生了什麼？
編輯：所需信息：
RubyGems Environment:
- RUBYGEMS VERSION: 1.8.17
- RUBY VERSION: 1.9.3 (2012-02-16 patchlevel 125) [x86_64-linux]
- INSTALLATION DIRECTORY: /home/pragone/.rvm/gems/ruby-1.9.3-p125
- RUBY EXECUTABLE: /home/pragone/.rvm/rubies/ruby-1.9.3-p125/bin/ruby
- EXECUTABLE DIRECTORY: /home/pragone/.rvm/gems/ruby-1.9.3-p125/bin
- RUBYGEMS PLATFORMS:
- ruby
- x86_64-linux
- GEM PATHS:
- /home/pragone/.rvm/gems/ruby-1.9.3-p125
- /home/pragone/.rvm/gems/[email protected]
- GEM CONFIGURATION:
- :update_sources => true
- :verbose => true
- :benchmark => false
- :backtrace => false
- :bulk_threshold => 1000
- "gem" => "--no-ri --no-rdoc"
- REMOTE SOURCES:
- http://rubygems.org/
而且RVM信息：
The program 'rails' is currently not installed. You can install it by typing:
sudo apt-get install rails
system:
system:
uname: "Linux domU-12-31-39-0A-34-6E 2.6.32-311-ec2 #23-Ubuntu SMP Thu Dec 2 11:14:35 UTC 2010 x86_64 GNU/Linux"
bash: "/bin/bash => GNU bash, version 4.1.5(1)-release (x86_64-pc-linux-gnu)"
zsh: " => not installed"
rvm:
version: "rvm 1.10.3 by Wayne E. Seguin <[email protected]>, Michal Papis <[email protected]> [https://rvm.beginrescueend.com/]"
updated: "2 hours 40 minutes 7 seconds ago"
homes:
gem: "not set"
ruby: "not set"
binaries:
ruby: "/usr/bin/ruby"
irb: "/usr/bin/irb"
gem: "/usr/bin/gem"
rake: "/home/pragone/.rvm/bin/rake"
environment:
PATH: "/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/home/pragone/.rvm/bin"
GEM_HOME: ""
GEM_PATH: ""
MY_RUBY_HOME: ""
IRBRC: ""
RUBYOPT: ""
gemset: ""
此外，上述列出的路徑，我試圖運行軌道，當得到這個
但是，上述錯誤發生在我正在竊取並添加到我的路徑中時：
/home/pragone/.rvm/gems/ruby-1.9.3-p125/bin
/home/pragone/.rvm/gems/ruby-1.9.3-p125/gems
我已經嘗試重新運行〜/ .rvm/scripts/rvm，但它似乎並沒有向我的PATH添加正確的路徑。我也做了一些工作安裝（我的MacBook Pro，運行os x 10.7），並驗證〜/ .rvm/scripts/rvm正在將工作安裝中的項目添加到我的PATH中，但不是Ubuntu的盒子。
which rails：被黑客入侵的路徑：
$ which rails
/home/pragone/.rvm/gems/ruby-1.9.3-p125/bin/rails
which rails：新鮮路徑：（無反應;大概沒有找到）
$ which rails
$
請包括'gem env'和'rvm info' – mpapis 2012-03-08 18:17:38
和'which rails' – matt 2012-03-08 18:25:35
它看起來像你的路徑黑客已經結束了你混淆了系統和rvm紅寶石。嘗試清除你的路徑（即沒有1.9.3 dirs添加的新路徑），然後使用'rvm 1.9.3'，這應該讓你使用rvm Ruby。然後再次運行'gem install rails'。 – matt 2012-03-08 18:49:48