Updating ruby mac os x

Now we have everything needed to install our own version of Ruby using RVM.

At the time of this writing, the latest Ruby version is 2.3.

Open up the App store, search for Xcode, and install it.

Once Xcode is done installing, run it and agree to the Terms of Service.

To install the latest version of Ruby, run: If you are using Rails, then you must install

This is because Rails's asset pipeline compiler requires a Javascript runtime. If you do not use Rails then you can skip to the next step.

All you have to do is to type the following in your terminal, enter your Mac user password when prompted and that’s it: Put another way, RVM allows us to install our own version of Ruby while letting OS X continue to use the one provided by Apple. Copy the following line and paste it in a terminal window: RVM is now installed on your Mac, but there’s an important step you need to do next: close all terminal windows that may still be open.

This forces OS X to load the RVM configuration the next time a terminal is open.

This is important: if you don't relogin, RVM doesn't work.

RVM is signed with GPG, so we need to have GPG installed on the computer before we can install RVM.

Homebrew provides the GPG software in its catalog, so let’s install it now — it’s very easy!

To install Node.js: sudo apt-get update && sudo apt-get install -y apt-transport-https ca-certificates && curl --fail -ss L -o setup-nodejs https://deb.nodesource.com/setup_8.x && sudo bash setup-nodejs && sudo apt-get install -y nodejs build-essential when executing Ruby-related commands.

This is because RVM works by manipulating environment variables.

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