Open your terminal and run
curl -sSL https://raw.githubusercontent.com/rvm/rvm/master/binscripts/rvm-installer | bash -s stable
When this is complete, you need to restart your terminal for the rvm command to work.
Now, run rvm list known
This shows the list of versions of the ruby.
Now, run rvm install ruby@latest to get the latest ruby version.
If you type ruby -v in the terminal, you should see ruby X.X.X.
If it still shows you ruby 2.0., run rvm use ruby-X.X.X --default.
Prerequisites for windows 10:
- C compiler. You can use http://www.mingw.org/
make command available otherwise it will complain that "bash: make: command not found". You can install it by running mingw-get install msys-make- Add "C:MinGWmsys1.0in" and "C:MinGWin" to your path enviroment variable
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