How do I uninstall installed gems?

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 uninstall gem bundles?

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

How do I uninstall a ruby gem?

To remove older gems we use the clean command: The cleanup command removes old versions of gems from GEM_HOME that are not required to meet a dependency. If a gem is installed elsewhere in GEM_PATH the cleanup command won’t delete it. If no gems are named all gems in GEM_HOME are cleaned.

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 uninstall a specific version of Ruby?

Any gems that you install while using an RVM’s ruby version, is self contained in that version. However there may come a time when you no longer want to use a particular ruby version and want to delete it along with all it’s gems. Then this can be done using the “remove” command.

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How do I uninstall Ruby from Windows?

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 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.

How do I change my bundle version?

How to update the bundler version in a Gemfile. lock

  1. Install the latest bundler version: gem install bundler Fetching bundler-2.1.2.gem Successfully installed bundler-2.1.2 1 gem installed.
  2. Update the bundler version in you Gemfile.lock : bundle _2.1.2_ update –bundler.

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.

How do you check if a gem is installed or not?

Since your goal is to verify a gem is installed with the correct version, use gem list . You can limit to the specific gem by using gem list data_mapper . To verify that it’s installed and working, you’ll have to try to require the gem and then use it in your code.

Where does Ruby install gems?

When you use the –user-install option, RubyGems will install the gems to a directory inside your home directory, something like ~/. gem/ruby/1.9. 1 . The commands provided by the gems you installed will end up in ~/.

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Where are local gems 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.