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painotpi
Asked: 2012-02-01 10:25:33 +0800 CST

Error while installing rails

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Following this tutorial here, to install ruby on rails on ubuntu 11.10 with sqlite3

when I run the following command

sudo gem install rails

I get the following error :

ERROR: Could not find a valid gem 'rails' (>= 0) in any repository

Also, when I try the command,

sudo gem install sqlite3

I get the same error

ERROR: Could not find a valid gem 'sqlite3' (>= 0) in any repository

How do I resolve this?

ruby rails 11.10 sqlite gem

2 Answers

  1. Rails is not available for Ruby 1.9.1 - so if you remove Ruby 1.9.1, you can choose: either you use RVM to install Ruby 1.9.2 or you install Ruby 1.8 and you should be able to install Rails (however, using a older version of Ruby == older version of Rails afaik) :)

    (I'm using RVM, which I like as it gives me the opportunity to switch between different installations of Ruby and also develop without having to be root - however I would read more about how RVM works before using it on a production server)

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  2. I have fixed this issue using the proxy command option of gem install. It has the following format:

    $ gem install --http-proxy http://201.187.107.19:8080 rails

    Check the following answer for more details.

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