ruby on rails - Why do I get an error installing Nokogiri on Ubuntu ec2? -

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i'm trying use bundle install, gets stuck installing nokogiri. says:

error:  error installing nokogiri:   nokogiri requires ruby version >= 1.9.2.

but, when try ruby -v, says:

ruby 1.9.3p448 (2013-06-27 revision 41675) [x86_64-linux]

what problem here?

the new 1.6.0 doesn't seem compatible. used old 1.5.10 , works. thanks.


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