[RUBY] Remedy for command not found in rails s

How to deal with command not found in rails s

In conclusion, installing the gem solved it.

What is a gem?

What is gem?

  1. Shows the Ruby package released by RubyGems. 2, the name of the package management system that manages the package

There are two.

This time, the purpose is to start rais s, so I won't go into details, but it's a good idea to leave it in your head.

How to deal with this time

gem install rails

When you type in the terminal,

Successfully installed rails-6.0.3.2
Parsing documentation for rails-6.0.3.2
Done installing documentation for rails after 0 seconds
1 gem installed

Rails installation was successful, It says that gem is also installed!

And again

rails s

When I type in, no error message is displayed, http://localhost:3000/ When I open

スクリーンショット 2020-09-04 0.27.43.png

This is a success! !! First of all, it is good to check whether it is displayed.

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