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I have Ubuntu 11.10 and am using rvm with ruby 1.9.2. I followed this exactly to install Ruby: http://blog.sudobits.com/2011/10/27/how-to-install-ruby-on-rails-in-ubuntu-11-10/

I generate the docs with 

rvm docs generate

This seems to work for a one time terminal session, but as soon as I exit out and start again, I have to generate the docs again, otherwise i get the Nothing is Known error This takes a long time, so I rather not have to generate the docs every time I start a terminal session.

Is there anything I can do to permanently have the docs available?

There are definitely similar questions to this -- but I don't have a problem with generating the docs, or using them, just keeping them installed.

Shail Patel
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2 Answers2

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This is what I did to install ri docs on my Ubuntu box (I'm not using RVM):

gem install rdoc rdoc-data
rdoc-data --install
Marek Příhoda
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  • I get the error ERROR: While executing gem ... (Errno::EACCES) Permission denied - /var/lib/gems – Shail Patel Jan 03 '12 at 23:44
  • try to run it with sudo. It should work with RVM without problem – Marek Příhoda Jan 04 '12 at 00:02
  • ok, that worked to install it. but still when i try something like ri Array -- i get Nothing known about Array. – Shail Patel Jan 04 '12 at 00:14
  • It may be a problem with rdoc version. Look at these links: [1](https://github.com/rdoc/rdoc-data), [2](http://blog.segment7.net/2010/03/31/rdoc-2-5), [3](http://buzzcodington.wordpress.com/2011/04/), and [4](http://comments.gmane.org/gmane.comp.lang.ruby.general/347732) – Marek Příhoda Jan 04 '12 at 08:46
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In ubuntu: sudo apt-get install ri1.9.1

andres.santana
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