From: baron visi Date: 2013-07-17T06:18:24+09:00 Subject: Rails dont accept Ruby version $ ruby -v ruby 2.0.0p247 (2013-06-27 revision 41674) [i686-linux] $ gem -v 2.0.3 $ sudo gem install rails ERROR: Error installing rails: activesupport requires Ruby version >= 1.9.3. I am using RVM but i want to use rails under ruby 2.0 and also i'm getting error when i type; $ rvm use ruby-1.9.3-p362 RVM is not a function, selecting rubies with 'rvm use ...' will not work. thanks -- Posted via http://www.ruby-forum.com/.