How do I check which version of Ruby is installed on my Mac? To make that magic happen we turn to Ruby virtual environments. It also gives you the freedom to choose which version you want to work with. You’ll likely want to use Ruby 3 for a local development environment - which is a very good reason to move away from pre-installed Ruby versions. The latest version, Ruby 3.1.2, was released in April 2022, and is a major version upgrade from the one that is preinstalled on the macOS. If you run commands that change your native Ruby version, such as brew install ruby or brew uninstall ruby, then you risk breaking features and capabilities in your macOS (this also applies to Mac M1).Īlso, it’s important to point out that the preinstalled version of Ruby on the macOS is outdated, which, on a new 2022 M1 laptop, resolves to ruby 2.6.8p205. They also point out that Apple has plans for deprecating their pre-installed versions of Python, Ruby, and Perl. Brew by default installs to /usr/local and according to postmodern, this doesn’t interfere with the Apple system Ruby scripts because their interpreter location is hardcoded to /usr/bin/ruby. That said, Reddit user postmodern shared on a Ruby thread that you could probably instruct the brew installation to be explicitly installed onto a different directory. I highly recommend you avoid that completely. Some guides and blog articles will instruct you to install Ruby by running brew install ruby or updating your existing Ruby versions on a macOS by running the update ruby mac command.
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In this tutorial, you’ll learn how to do both! If you have the new macOS M1 laptops, don’t worry, this tutorial also works for installing Ruby on Mac M1. How to setup a local development environment that doesn’t conflict with brew or an existing install of Ruby 2.7 Mac
If you’re starting out with Ruby or Ruby on Rails development, you’ll want to know:
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