How do I change Ruby version on Mac?

To set a default Ruby version with rvm, enter rvm –default use 3.0. 0 on the command line. To switch to the system ruby, enter rvm use system . To switch back to the default, rvm default .

How can I change my ruby version?

Ruby versions (updating)

  1. Upgrade ruby (using rvm) sudo rvm get head. …
  2. Install bundler. gem install bundler.
  3. Go to application root directory and install gems. cd APPLICATION_ROOT. …
  4. Install Easy Redmine. rake easyproject:install RAILS_ENV=production.
  5. You may also need to change the ruby version in a startup script.

How do I update Ruby on my Mac?

Here is the process I followed:

  1. Check the version of Ruby installed on your Mac. Open terminal and type: …
  2. Install the Ruby Version Manager rvm. In terminal, curl -L https://get.rvm.io | bash -s stable. …
  3. Install the latest version of Ruby. rvm install ruby-[version] …
  4. Set the latest version of Ruby as the one you want to use.

How do I check my Ruby version on 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.

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How do I install a specific version of Ruby?

Use `gem install -v`

You may already be familiar with gem install , but if you add the -v flag, you can specify the version of the gem to install. Using -v you can specify an exact version or use version comparators.

How do I uninstall Ruby from my 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.

How do I change Ruby to Rbenv on Mac?

Set Ruby version with rbenv on Mac

ruby-version file within any project directory controls the Ruby version for the project. Create the file with a text editor or use the rbenv utility commands. The command rbenv global 3.0. 0 sets the default.

Is Ruby pre-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. It’s fine to use the system Ruby for running sysadmin scripts, as long as you don’t alter the system Ruby by attempting to update it or add gems.

What is Ruby on 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.

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How do I update my GEM version?

RubyGems

  1. Update RubyGems. To update to its latest version with: gem update –system.
  2. Install gems. To install a gem (Ruby package), run: gem install <gemname> …
  3. List installed gems. gem list. …
  4. Update installed gems. To update all gems or a particular gem: gem update [<gemname>]
  5. Remove old gem versions.

How do I change Ruby to Rbenv?

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.

How do I uninstall a specific version of a gem?

Removing a specific gem

  1. sudo gem uninstall GEMNAME.
  2. sudo gem uninstall GEMNAME –version 1.1.0.
  3. sudo gem cleanup GEMNAME.
  4. sudo gem cleanup.

How do I remove RVM from my Mac?

Remove rvm

  1. Run the program which removes the rvm/ directory and all the rubies built within it: rvm repair rvm cleanup rvm implode –force. …
  2. Remove folders: rm -rf /usr/local/rvm sudo rm /etc/profile.d/rvm.sh sudo rm /etc/rvmrc sudo rm ~/.rvmrc.