ruby install gem

Installing Ruby on Rails

Install Ruby. To do this, download the file rubyinstaller-1.8. ...
Install Gems (Ruby's packaging mechanism). To do this, download the zip file rubygems-1.3.7.zip . ...
Use the Gem system to install Rails. To do this, invoke the following command: ...
Install Sqlite3.

How do I download and install Ruby Gems?
Where Ruby gems are installed?
How do I install a gem file?
How do I manually install gems?
How long does it take to install Ruby?
How do I know if Ruby Gem is installed?
What is Ruby path?
Does gem come with Ruby?
How do I find my ruby path?
How does Ruby gem work?
How do I create a locked GEM file?
How do I run bundles?

How do I download and install Ruby Gems?

For earlier versions:

Download and install DevelopmentKit from the same download page as Ruby Installer. ...
After installing DevelopmentKit you can install all needed gems by just running from the command prompt (windows console or terminal): gem install gem name .

Where Ruby gems are installed?

By default in Arch Linux, when running gem , gems are installed per-user (into ~/. gem/ruby/ ), instead of system-wide (into /usr/lib/ruby/gems/ ).

How do I install 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 manually install gems?

To install the Ruby agent manually:

Download the contrast-agent-\.gem* file to a local directory, and add the gem to the project gemfile: gem 'contrast-agent'
Install the gem in the gemset for the current application: gem install ./path/to/contrast-agent-*.gem --platform ruby.
Run an install: bundle install.

How long does it take to install Ruby?

Sometimes a precompiled version of Ruby is available. If not, it takes a long time (about five minutes) to install Ruby because the computer must compile the source code.

How do I know if Ruby Gem is installed?

Try gem list to get the list of gems that are installed. To test for a particular gem, you can use -i with a regex: gem list -i "^gem_name$" . (Credit to Timo in the comments for this technique.) If you can't find data_mapper, it may be that the gem name is different from what you expect.

What is Ruby path?

Pathname represents the name of a file or directory on the filesystem, but not the file itself. The pathname depends on the Operating System: Unix, Windows, etc. ... The goal of this class is to manipulate file path information in a neater way than standard Ruby provides.

Does gem come with Ruby?

The interface for RubyGems is a command-line tool called gem which can install and manage libraries (the gems). ... RubyGems is bundled with the standard Ruby package as of Ruby 1.9.

How do I find my ruby path?

Here are two simple ways to check for it.

In irb. Run irb and type: ...
From command line. Just type ruby -v. ...
In RVM. Are you using RVM? ...
In rbenv. Are you using rbenv? ...
Using which. Do you want to know where your ruby binary is installed? ...
Using gem env.

How does Ruby gem work?

The software package is called a “gem” which contains a packaged Ruby application or library. ... Commonly they're used to distribute reusable functionality that is shared with other Rubyists for use in their applications and libraries. Some gems provide command line utilities to help automate tasks and speed up your work.

How do I create a locked GEM file?

lock contain complete snapshot of all the gem(s) in Gemfile along with there associated dependency. When you first call bundle install, it will create this Gemfile.

How do I run bundles?

With these three simple steps that every beginner should know to get your application up and running with bundler:

Install (or update) bundler with the following command: $gem install bundler.
Specify your dependencies in a Gemfile:
Install all the gems Rails will need to get started: $bundle install.