How do I manually install gems?

How do I install offline gems?

Ruby gem offline installation

  1. Step 1 (build the gem archive) Execute the below commands to create the gem archive. $ mkdir gem-redis-3.3.5 $ gem install redis –version 3.3.5 –install-dir gem-redis-3.3.5. …
  2. Step 2 (use the archive to perform offline installation) Now this folder gem-redis-3.3.

How do I install gem bundles?

Install gems

  1. Do one of the following: Press Ctrl twice. …
  2. (Optional) If the current project interpreter does not have the required Bundler version specified in Gemfile. …
  3. In the Bundle Install dialog, click Install to run the bundle install command without any arguments. …
  4. Wait until gems are installed.

How do I install GEMS on Windows?

After installing DevelopmentKit you can install all needed gems by just running from the command prompt (windows console or terminal): gem install {gem name} . For example, to install rails, just run gem install rails .

How do you check if a gem is installed?

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.

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How do I install a downloaded gem?

Downloading and installing gems

  1. Install the gems on an internet-connected computer to a temporary directory. …
  2. RubyGems has downloaded all the .gem files and placed them in gems/cache. …
  3. Install the gems on the destination machine from the local files: $ cd /path/to/USB_drive/gems $ gem install –force –local *.gem.

How do I create a local gem?

Creating a Gem From Scratch

  1. Create the basic file structure of the gem: Fire up your shell and create the directories that will be needed in your gem: $ mkdir awesome_gem $ cd awesome_gem $ mkdir lib. …
  2. Create the gemspec. …
  3. Add some code. …
  4. Generate the gem file. …
  5. Install the gem. …
  6. Add The Gem to Another Ruby Program.

Where are 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.

How do I run a GEM file?

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 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.

Can you install Ruby on Windows?

There are two ways to run Ruby on Windows. The more straightforward method is to use the Ruby installer to install all the software packages required. The more robust method is to install the Linux subsystem on Windows 10, then use Linux commands to install Ruby.

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Where are RubyGems installed Windows?

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 ~/.

What is GEM command?

The gem command allows you to interact with RubyGems. Ruby 1.9 and newer ships with RubyGems built-in but you may need to upgrade for bug fixes or new features. To upgrade RubyGems or install it for the first time (if you need to use Ruby 1.9) visit the download page.

How do I know if Ruby is installed Linux?

Run the command which ruby. If you see a path such as /usr/bin/ruby, Ruby is installed. If you don’t see any response or get an error message, Ruby is not installed. To verify that you have a current version of Ruby, run the command ruby -v.

How do I find Rails version?

6 Answers. Use the command: rake about . This command will output the following info plus more (hence the ellipsis: About your application’s environment Rails version 4.2.

What version of RubyGems do I have?


Stable release 3.2.20 / 11 June 2021
Written in Ruby
Operating system Cross-platform
Type Package manager
License Ruby License