Install Ruby with asdf

Install Ruby: We are going to use asdf for this part.

Install Ruby with this command:

asdf plugin add ruby

Then install the adequate Ruby version 3.3.0:

asdf install ruby 3.3.0

Now, we have to use it as our main Ruby version:

asdf global ruby 3.3.0

Checking your Ruby version

To show the current version, type:

ruby --version