![]() Sudo update-alternatives -install /usr/bin/ruby ruby /usr/bin/ruby1.9.1 400 \ ![]() Rubygems1.9.1 irb1.9.1 ri1.9.1 rdoc1.9.1 \ build-essential libopenssl-ruby1.9.1 libssl-dev zlib1g-dev Sudo apt-get install ruby1.9.1 ruby1.9.1-dev \ If you want to make Ruby 1.9 the default do the following: sudo apt-get update (The package is called 1.9.1 because that is the ABI version.) The short version is: You can get Ruby 1.9.3-p0 by installing the ruby-1.9.1 package. Please read the post if you are interested in the details. However, as I have elaborated in a previous post getting the Ruby 1.9 series on Ubuntu without using RVM instead of 1.8 isn't all that easy. Ruby 1.9 has some performance improvements and 1.9.3 in particular a lot of them compared to 1.9.2. Personally, I'm tracking the development of Ruby quite closely but the default Ruby on Ubuntu ist still the 1.8 series which I can't recommend. The new Ubuntu release has just rolled around and with it a slew of new packages.
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