What is default Ruby?

How do I change the default Ruby on Mac?

Set Ruby version with rvm 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 do I change Ruby version using RVM?

To install another Ruby version, let’s follow these steps.

  1. Install rvm. …
  2. Install another Ruby version using RVM by running: rvm install 2.4.2. …
  3. You can now list the versions of Ruby that are installed by the command below: rvm list.

How do I run RVM?

Examples of using RVM

  1. RVM version. …
  2. Use a particular Ruby. …
  3. List Ruby interpreters available for installation. …
  4. List Ruby interpreters you’ve already installed. …
  5. Equivalent to “rvm use 2.1.1”, due to defaults. …
  6. Switch to the system user gems directory. …
  7. Use the user set default ruby. …
  8. Use the system ruby (as if no rvm)

What is Ruby head?

The main branch is the future, the versioned branches have some policy around them. So, for example, ruby-head is a wild playground of new features, while ruby-1.9. 1 or ruby-1.9. 2 or ruby-1.9. 3 have certain feature or syntax lockdowns in place on them.

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What is Ruby version file?

Many Ruby (or Rails) projects will include a simple .ruby-version file, which simply specifies a version number, for example: 2.4.2. Popular tools to help you manage your Ruby version are: Ruby Version Manager (RVM) rbenv.

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.

What is Rbenv and RVM?

Both rbenv and RVM are Ruby version management tools aka package managers. A package manager is a collection of software tools that automates the process of installing, upgrading, configuring, and removing computer programs from an OS in a consistent manner.

What does RVM stand for?


Acronym Definition
RVM Research Virtual Machine
RVM Reverse Vending Machine
RVM Recoverable Virtual Memory
RVM Rearview Mirror (Pearl Jam song)

How do I update 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 can I tell which 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.

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Does RVM work on Windows?

∞Installing RVM. RVM supports most UNIX like systems and Windows (with Cygwin or Bash on Ubuntu on Windows). The basic requirements are bash , curl , gpg2 and overall GNU version of tools – but RVM tries to autodetect it and install anything that is needed.