[rails系列1] Ubuntu下安装Rails3
sudo apt-get install libsqlite-dev
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sudo apt-get install sqlite-ruby
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apt-get install libssl-dev
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go ruby_src_path/ext/openssl
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ruby extconf.rb
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make & make install
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1. rails new demo
2. rails server
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=> gems/ruby-1.9.3-p0/gems/execjs-1.3.0/lib/execjs/runtimes.rb:50:in `autodetect': Could not find a JavaScript runtime
<= http://stackoverflow.com/questions/6282307/rails-3-1-execjs-and-could-not-find-a-javascript-runtime
installing node.js via package manager
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