Install Ruby and rails

To install Ruby on Rails, first install Ruby, then install devkit, and then install rails;

But when I installed Ruby, I directly installed rails, So I reported an error. I recorded the entire process in the order of my error routes so that people who encountered the same problem could refer to it, I am a cainiao. I don't have many fancy things. What should I do? I should record them for future use;

1. Install Ruby

   Https://www.ruby-lang.org/en/downloads/

   Three checked items are selected during installation.

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2. Install rails

   Gem install rails

   Error:

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3. Follow the prompts to download devkit at http://rubyinstaller.org/downloads

   After downloading, install it on the d drive, and put Ruby on the D Drive. I think this should be random.

4. Follow the preceding error message to go to https://github.com/oneclick/rubyinstaller/wiki/development-kit.

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5. Run the gem install rails command.

   
   

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This article from the "monkey riding Tree" blog, please be sure to keep this source http://qihoushangshu.blog.51cto.com/7872138/1548635

Install Ruby and rails