How do I see what version of ruby is installed?
Índice
- How do I see what version of ruby is installed?
- What version of ruby is on rails?
- How do I know if ruby is installed Linux?
- How do I switch between rails versions?
- Is Ruby on Rails front end or backend?
- How do I run a ruby file?
- How do I install a specific version of a gem?
- Is the Devkit part of rubyinstaller 2.4?
- How can I tell which version of Ruby I'm using?
- Where to find dk.rb file in rubyinstaller?
- How do I install a Ruby development kit?
How do I see what version of ruby is installed?
If using macOS, you probably already have Ruby installed. Check via the ruby --version command in terminal. Then let's list all the Ruby packages available to install. This will display all the known Ruby versions.
What version of ruby is on rails?
Ruby & Rails Compatibility Table
| Rails Version | Required Ruby Version | Required Rubygems Version |
|---|---|---|
| 6.0.x | >= 2.5.0 < 3.0.0 | >= 1.8.11 |
| 5.2.x | >= 2.2.2 < 2.6.0 | >= 1.8.11 |
| 5.1.x | >= 2.2.2 < 2.6.0 | >= 1.8.11 |
| 5.0.x | >= 2.2.2< 2.5.0 | >= 1.8.11 |
How do I know if ruby is installed Linux?
One way open the terminal window (sometimes called a "shell" or "bash shell") is to select Applications > Accessories > Terminal. 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.
How do I switch between rails versions?
In Windows: open that "rails" file with text editor you will see ----- version = ">= 0" (which means: it opens the highest version of rails, which exist in your ruby gems)
Is Ruby on Rails front end or backend?
9. Ruby On Rails Covers Front And Back-End. This language is pretty unique in that it covers both the front- and backend, meaning that as a Ruby on Rails developer you can describe yourself as truly full stack.
How do I run a ruby file?
Run a script
- Press Ctrl twice to invoke the Run Anything popup.
- Type the ruby script. rb command and press Enter . ...
- (Optional) To run scratch files or scripts outside the project root, hold down the Alt key before running the command (in this case, the dialog title is changed to Run in Context).
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.
Is the Devkit part of rubyinstaller 2.4?
- The DevKit that’s who! Stating with RubyInstaller-2.4 we’re no longer using our own DevKit compilation, but make use of MSYS2 for both, building ruby itself, as well as building Ruby gems with C-extensions. It can be installed per ridk install command, which is part of RubyInstaller-2.4.
How can I tell which version of Ruby I'm using?
- It can also sometimes reveal the version you are using as it is usually part of directory structure. Just run which ruby. If you want to know even more about your current ruby setup, there is a command for that as well!
Where to find dk.rb file in rubyinstaller?
- RubyInstaller's DevKit comes with Ruby script, dk.rb, that is used to inject it to all Ruby versions you have installed on the system. You will find dk.rb file in C:\\Ruby\\DevKit directory.
How do I install a Ruby development kit?
- Simply download, double-click, choose an installation directory, run the Ruby install helper script and you’re ready to start using native Ruby extensions. For installation details check out the Development Kit wiki page.
