How do I install an older version of a gem?

How do I install specific versions of gems?

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 specify a gem version?

There are several ways to specify gem versions:

  1. Use a specific version: gem “name-of-gem”, “1.0” . …
  2. Use a version operator: gem “name-of-gem”, “>1.0” . …
  3. Use that weird squiggly-stabby operator: gem “name-of-gem”, “~>1.3” . …
  4. Use a compound requirement: gem “name-of-gem”, “~>2.2”, “>=2.2.

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 uninstall a specific version of a gem?

“ruby remove specific gem” 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.
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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 an older version of Ruby?

Use the secure installation method. Read the installation instructions — you probably want the single-user configuration. Use rvm list known to list available Rubies and then run rvm install x.x.x to install a specific version. Use rvm use x.x.x –default to change your default Ruby.

What is gem installer?

RubyGems is a package manager for the Ruby programming language that provides a standard format for distributing Ruby programs and libraries (in a self-contained format called a “gem”), a tool designed to easily manage the installation of gems, and a server for distributing them.

Is gem install global?

will install your gem globally, i.e. it will be available to all user’s contexts.

How do I install a specific version of Ruby?

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 fix resolve bundler Cannot find compatible versions for gem?

lock and delete all references to the offending gem (in this case the faraday gem). Then run bundle install and it’ll update the Gemfile. lock to have compatible versions of the gem where it needs.

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How do I run a Gemfile?

run the command bundle install in your shell, once you have your Gemfile created. This command will look your Gemfile and install the relevant Gems on the indicated versions. The Gemfiles are installed because in your Gemfile you are pointing out the source where the gems can be downloaded from.

How do I install a bundle installed?

Setting up Bundler

  1. Open a terminal window and run the following command: …
  2. Navigate to your project root directory.
  3. Install all of the required gems from your specified sources: …
  4. Inside your app, load up the bundled environment: …
  5. Run an executable that comes with a gem in your bundle: