Your question: How do I uninstall a ruby gem?

How do I uninstall a gem?

“uninstall gem package” Code Answer

  1. The command is simply: gem uninstall <gem-name>
  2. # for a general uninstall.
  3. NOTE: maybe you need sudo, depens on your user rights. like so.
  4. sudo gem uninstall <gem-name>
  5. # remove all old versions of the gem.
  6. gem cleanup <gem-name>

How do I remove a gem in rails?

If you’re using Rails 3+, remove the gem from the Gemfile and run bundle install . If you’re using Rails 2, hopefully you’ve put the declaration in config/environment. rb. If so, removing it from there and running rake gems:install should do the trick.

How do I uninstall Ruby from Windows 10?

Control Panel > System > Environment Varables > remove any paths in the PATH environment variable that have installations of Ruby. Control Panel > Programs and Features > Uninstall any Ruby Installer apps listed. Delete the Windows folders where installed.

How do I uninstall bundler Ruby?

To uninstall Bundler, run gem uninstall bundler . See bundler.io for the full documentation.

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How do I remove old versions of Ruby from 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 you delete a gem in Ruby on Rails?

If you’re using Rails 3+, remove the gem from the Gemfile and run bundle install . If you’re using Rails 2, hopefully you’ve put the declaration in config/environment. rb. If so, removing it from there and running rake gems:install should do the trick.

How do I remove a gem from my project?

You can remove the Devise gem from your Gemfile and then run bundle install . The gem should then be removed. To be safe, you can also run the following: gem uninstall gem_name from the command line.

What is latest version of Ruby?

What is the latest Ruby version? Ruby 3.0. 2 is the Ruby latest version (3.0 was released Dec 25, 2020).

How do I check my ruby version?

“how to check ruby version” Code Answer’s

  1. // Command line:
  2. $ ruby -v.
  3. // Within irb type “RUBY_VERSION”
  4. # => “2.4.1”
  5. // If using RVM:
  6. $ rvm current.

How do I downgrade Ruby from Windows?

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 remove Rbenv from my Mac?

3 Answers

  1. Remove using brew: brew remove rbenv.
  2. Delete .rbenv directory: rm -rf ~/.rbenv.
  3. Open .bash_profile file and delete any lines with rbenv in them: vi ~/.bash_profile.
  4. Open .bashrc file and delete any lines with rbenv in them: vi ~/.bashrc.

How do I remove all gems installed?

In order to uninstall all gems, you have to loop through all entries in gem list with bash scripting. This method is very inconvenient. Thanks to Rubygems 2.1. 0, you now could do it with one command.

How do I undo a bundle install?

Undo Bundle Install Using –without Flag

If you want to reset your bundle settings for your app just delete the . bundle folder in your application, then your back to a blank slate again.

How do I install a specific version of a gem?

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.