Quick Answer: How do I install Ruby on Mac Catalina?

Installing Ruby on macOS Monterey (the latest macOS) or Catalina (an earlier macOS) is the same. You will install Ruby using the Terminal application. There’s no need to download and compile from source. Instead, prepare your computer, install Homebrew, install an (optional) version manager, and install Ruby.

Is Ruby already installed on Mac?

First of all, Ruby is already pre-installed on your Mac. However, the pre-installed version is a few versions behind so we’ll look into the other ways to install Ruby. … On a Mac, you can use Homebrew to install newer versions of Ruby. You can also use it to install a tool that will install Ruby.

Where is Ruby installed on Mac?

MacOS comes with a “system Ruby” pre-installed. If you see /usr/bin/ruby , it is the pre-installed macOS system Ruby.

How do I install a specific version of Ruby?

Get started with rbenv

  1. List the installed Ruby versions. To list the installed Ruby versions in your machine with rbenv, run the following command: rbenv version. …
  2. Install a Ruby version. To install a new Ruby version, use the rbenv install command: rbenv install VERSION. …
  3. Use a specific Ruby version for a project.
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How do I download and install Ruby?

Installing Ruby Using the RubyInstaller Tool

  1. Step 1: Download the RubyInstaller Tool. Use a web browser to navigate to the Download page (linked above). …
  2. Step 2: Run the Ruby Installer. Browse to the location of the RubyInstaller tool, and double-click. …
  3. Step 3: Verify the Ruby Installation.

How do I know if Ruby is installed?

To check if Ruby installed correctly, open the Run dialog box ( Windows Key + R ) and type powershell . In the PowerShell window type in the command ruby -v . If everything went well you should see a message like ruby 1.9.

Where is Ruby installed?

By default, binaries installed by gem will be placed into: /usr/local/lib/ruby/gems/2.7. 0/bin You may want to add this to your PATH.

What is Ruby on my Mac?

Ruby is a dynamic programming language you can use to write anything from simple scripts to games and web applications. … In this tutorial, you’ll set up a Ruby programming environment on your local macOS machine using Homebrew, and you’ll test your environment out by writing a simple Ruby program.

How do I switch between Ruby versions on a Mac?

Set Ruby version with rvm on Mac

0 on the command line. To switch to the system ruby, enter rvm use system . To switch back to the default, rvm default . The command rvm list will show all installed Rubies, including the current and default versions.

How do I find my Ruby path?

So, we can easily find the ruby path using :-

  1. When we run then we will get like :-
  2. Command: /home/rohit/.rvm/gems/ruby-2.1.10/wrappers/ruby.
  3. Version: ruby 2.1.10p492 (2016-04-01 revision 54464) [x86_64-linux]
  4. To use in Apache: PassengerRuby /home/rohit/.rvm/gems/ruby-2.1.10/wrappers/ruby.
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How do I run a Ruby script on a Mac?

Type the ruby script. rb command and press Enter . If necessary, you can specify the required command-line options and script arguments. (Optional) To run scratch files or scripts outside the project root, hold down the Alt key before running the command (in this case, the dialog title is changed to Run in Context).

How do I know what version of Ruby I have Mac?

Don’t type the $ character – the $ character is just a cue that you should enter a shell command. The ruby -v command will show you the Ruby version number.

How do I see what version of Ruby is installed?

Check via the ruby –version command in terminal. Then let’s list all the Ruby packages available to install. This will display all the known Ruby versions. The list might be a little long for your terminal, so simply scroll to the top part where the #MRI Rubies are listed.

How do I uninstall Ruby on Mac?

Uninstall Ruby on Mac with rbenv

For rbenv, use rbenv versions to see which versions you have installed. Use the uninstall command to remove a version. This will remove any gems associated with the version as well. If you want to reinstall Ruby, see Install Ruby on Mac for recommendations of newer version managers.