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

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.

How do I check Ruby version?

The ruby version 1.8. 7 seems to be your system ruby. You can find more details about rvm here: Open the website and scroll down, you will see a few helpful links. “Setting up default rubies” for example could help you.

How do I change Ruby version on 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 | 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 GEM version?

If you only need local gem versions, the first aught to do. It will give you a list of gems, containing the phrase compass , and corresponding versions. To display the specific version that is being used.

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Is Ruby pre installed on Mac?

Which Ruby do you have? 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.

How do I install the new Ruby on my Mac?

  1. Step 1: Open up the terminal. The terminal application on macOS is an operating system command line interface (CLI) that comes installed on new Macs. …
  2. Step 2: Install a package manager. Hold on! …
  3. Step 3: Use the package manager to install Ruby. …
  4. Step 4: Update our PATH. …
  5. Step 5: Write and run our first Ruby program.

Is Ruby on Rails dying?

Be Rails dead, it’s unlikely that such remarkable technology startups and even established companies like Shopify, Airbnb, SoundCloud, Imgur, and Github would continue using Rails as their major technology. Rails is not dead and even shows no signs of dying.

What is the latest version of Ruby?

5 is the current version, indicated by the symbol =>, and ruby-2.6. 3 is the default version, indicated by the symbol *. This output shows that the current version of Ruby is 2.5.

How do I downgrade Ruby Version?

As others have mentioned, its hard to come up with exact solution, in general to downgrade or switch versions for a user:

  1. Install Ruby 1.8.7 (or locate it on your system if you have it already)
  2. Edit your .bash_profile or .bashrc file to update your $PATH so that the 1.8.7 executable is found first. …
  3. 7/bin/ruby.
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How do I downgrade Ruby Version on Mac?

force macos system to downgrade ruby system

  1. sudo brew install ruby@2.2.2 and brew install ruby@2.2.2 results in error.
  2. sudo gem update –system 2.2. 2 and gem update –system 2.2. 2 results in the program aborting itself.


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 do I install Ruby version?

Follow the steps given below for installing Ruby on Rails.

  1. Step 1: Check Ruby Version. First, check if you already have Ruby installed. …
  2. Step 2: Install Ruby. …
  3. Step 3: Install Rails. …
  4. Step 4: Check Rails Version. …
  5. Step 1: Install Prerequisite Dependencies. …
  6. Step 2: Install rbenv. …
  7. Step 3: Install Ruby. …
  8. Step 4: Install Rails.

How do you update a gem to a specific version?

This will work if the gem has no shared dependencies with other gems.

  1. Find out the version you want to update to.
  2. Add that version explicitly to the Gemfile with , ‘=1.2.3’
  3. Run bundle install.
  4. Remove the explicit version number again.
  5. Run bundle install once more.

How do I know what version of Cocoapod I have?

If you use CocoaPods frequently, it’s worth checking out, a version manager for CocoaPods that automatically manages the CocoaPods version by pulling it from the Podfile. lock.

How do I get Gemfile?

A gemfile is automatically created when you start a new rails application. type rails new appName and then it will be generated automatically. It will also be populated with some gems.

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