Gem install rails version

1. How do I install specific versions of gems?
2. How do you find out what version of Rails is installed?
3. Where is Ruby installed?
4. What is Rbenv and RVM?
5. How do I install gem packages?
6. Is rails a Ruby gem?
7. How do I run Rails?
8. Can I run Ruby on Rails on Windows?

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 you find out what version of Rails is installed?

5 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.

Where is Ruby 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.

What is Rbenv and RVM?

Both rbenv and RVM are Ruby version management tool. RVM is used to manage and install different versions of Ruby and gemsets on system where Rbenv is a lightweight Ruby version management tool. ... Compared to RVM, rbenv does not manage gemsets nor install different Ruby versions.

How do I install gem packages?

To install a gem, use gem install [gem] . Browsing installed gems is done with gem list . For more information about the gem command, see below or head to RubyGems' docs. There are other sources of libraries though.

Is rails a Ruby gem?

Ruby on Rails (RoR) is a server-side application framework that is written in Ruby under MIT License. Rails is a model-view-controller (MVC) framework that provides default arrangements for a web service, database, and web service.

How do I run Rails?

Go to your browser and open http://localhost:3000, you will see a basic Rails app running. You can also use the alias "s" to start the server: bin/rails s . The server can be run on a different port using the -p option. The default development environment can be changed using -e .

Can I run Ruby on Rails on Windows?

Ruby and rails can be installed on Windows using the WSL (Windows Subsystem for Linux) or using the Ruby Installer. Ruby can be set up in the same directory as the default directory for the bash shell so that its easier to navigate to in windows.