# Gem install rails

**URL:** <https://www.ruby-forum.com/t/gem-install-rails/141145>\
**Category:** Rails\
**Created:** [June 22, 2008, 5:55pm UTC](https://www.ruby-forum.com/t/gem-install-rails/141145 "2008-06-22T17:55:16Z")\
**Posts on this page:** 2\
**Page:** 1

<div class="post-metadata">

**Author:** ![hector](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/h/43a26b/32.png) [@hector](https://www.ruby-forum.com/u/hector)\
**Post date:** [June 22, 2008, 5:55pm UTC](https://www.ruby-forum.com/t/gem-install-rails/141145/1 "2008-06-22T17:55:16Z")

</div>

May be it is a question of rem or rubye$B!$e(Bbut I need your help.  
When I use gem install rails,it fails.But I use the same command,it  
passed in another computer.  
OK. I use  
hector@hector-laptop:~$ sudo gem install rails --no-rdoc --no-ri  
The result:  
source [gems.rubyonrails.org](http://gems.rubyonrails.org) not present in cache

But I try to use wget to get [gems.rubyonrails.org](http://gems.rubyonrails.org). Anything is okay.  
Here is my environment:  
gem environment  
RubyGems Environment:

- RUBYGEMS VERSION: 1.1.0 (1.1.0)
- RUBY VERSION: 1.8.6 (2007-09-24 patchlevel 111) [i486-linux]
- INSTALLATION DIRECTORY: /usr/lib/ruby/gems/1.8
- RUBY EXECUTABLE: /usr/bin/ruby1.8
- RUBYGEMS PLATFORMS:
  - ruby
  - x86-linux

- GEM PATHS:
  - /usr/lib/ruby/gems/1.8

- GEM CONFIGURATION:
  - :update\_sources =\> true
  - :verbose =\> true
  - :benchmark =\> false
  - :backtrace =\> false
  - :bulk\_threshold =\> 1000

- REMOTE SOURCES:
  - [http://gems.rubyforge.org](http://gems.rubyforge.org)

---

<div class="post-metadata">

**Author:** ![hector](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/h/43a26b/32.png) [@hector](https://www.ruby-forum.com/u/hector)\
**Post date:** [June 23, 2008, 3:52pm UTC](https://www.ruby-forum.com/t/gem-install-rails/141145/2 "2008-06-23T15:52:51Z")

</div>

Sounds like you have different sources on the two machines. There was  
talk recently about where best to source for rails, but I don’t  
remember quite what the answer was.  
Anyway, you want to run this on both machines:  
$ gem sources

Then you can add missing sources (like the one gem is complaining  
about above, [gems.rubyonrails.org](http://gems.rubyonrails.org)) with:  
$ gem source

-Dale