# Installing Rails 2.0

**URL:** <https://www.ruby-forum.com/t/installing-rails-2-0/146869>\
**Category:** Rails\
**Created:** [August 26, 2008, 10:00am UTC](https://www.ruby-forum.com/t/installing-rails-2-0/146869 "2008-08-26T10:00:48Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![k-b](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/k/db5fbb/32.png) [@k-b](https://www.ruby-forum.com/u/k-b)\
**Post date:** [August 26, 2008, 10:00am UTC](https://www.ruby-forum.com/t/installing-rails-2-0/146869/1 "2008-08-26T10:00:48Z")

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Help! I cant install Rails 2.0. Can anybody help me?

kb1@kb1-laptop:~/zeugs/rails/blog$ ruby script/server  
Missing the Rails 2.0 gem. Please `gem install -v=2.0 rails`, update  
your RAILS\_GEM\_VERSION setting in config/environment.rb for the Rails  
version you do have installed, or comment out RAILS\_GEM\_VERSION to use  
the latest version installed.  
kb1@kb1-laptop:~/zeugs/rails/blog$ sudo gem install -v=2.0 rails  
[sudo] password for kb1:  
ERROR: Error installing rails:  
rails requires activeresource (= 2.0.0, runtime)

But now what?  
I uninstall rails 2.1 and actionmailer, actionpack etc. in version 2.1 -  
but this dont solve my problem.

kb1@kb1-laptop:~/zeugs/rails/blog$ sudo gem list

\*\*\* LOCAL GEMS \*\*\*

actionmailer (2.0.0)  
actionpack (2.0.0)  
activerecord (2.0.0)  
activesupport (2.0.0)  
cgi\_multipart\_eof\_fix (2.5.0)  
daemons (1.0.10)  
fastthread (1.0.1)  
gem\_plugin (0.2.3)  
mongrel (1.1.5)  
mysql (2.7)  
rake (0.8.1)  
sqlite3-ruby (1.2.2)  
kb1@kb1-laptop:~/zeugs/rails/blog$ sudo gem install -v=2.0 rails  
ERROR: Error installing rails:  
rails requires activeresource (= 2.0.0, runtime)

what can i do?  
Using Ubuntu 32Bit. Using Ruby from synaptics and installed rubygems by  
hand through the tar.gz package.

---

<div class="post-metadata">

**Author:** ![k-b](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/k/db5fbb/32.png) [@k-b](https://www.ruby-forum.com/u/k-b)\
**Post date:** [August 26, 2008, 12:32pm UTC](https://www.ruby-forum.com/t/installing-rails-2-0/146869/2 "2008-08-26T12:32:28Z")

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solved it by installing rails 2.0.2!