# Radiant Install on Dreamhost

**URL:** <https://www.ruby-forum.com/t/radiant-install-on-dreamhost/206944>\
**Category:** Radiant CMS\
**Created:** [May 13, 2011, 9:00pm UTC](https://www.ruby-forum.com/t/radiant-install-on-dreamhost/206944 "2011-05-13T21:00:34Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![luislavena](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/l/0ea827/32.png) [@luislavena](https://www.ruby-forum.com/u/luislavena)\
**Post date:** [May 13, 2011, 9:00pm UTC](https://www.ruby-forum.com/t/radiant-install-on-dreamhost/206944/1 "2011-05-13T21:00:34Z")

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I have been following this guide:

> **[Installing on Dreamhost Using SSH](https://github.com/radiant/radiant/wiki/installing-on-dreamhost-using-ssh)**
>
> Radiant is a no-fluff, open source content management system designed for small teams. - radiant/radiant

And I get the error:

/home/my\_id/.gems/gems/radiant-0.9.1/vendor/rails/activesupport/libive\_support/dependencies.rb:55:  
uninitialized constant ActiveSupport::Dependes::Mutex (NameError)

when I try to run:

radiant [mysite.com](http://mysite.com)

Right now I am at Rails 3.0.3 which may be causing the problem (it won’t  
let me uninstall it). If that is, how can I run an older version? If  
not, what else can I do? I am stumped - thank you.