Вопрос Booting Puma problem

rails s                
Traceback (most recent call last):
        20: from /usr/bin/rails:23:in `<main>'
        19: from /usr/lib64/ruby/2.5.0/rubygems.rb:309:in `activate_bin_path'
        18: from /usr/lib64/ruby/2.5.0/rubygems.rb:309:in `synchronize'
        17: from /usr/lib64/ruby/2.5.0/rubygems.rb:310:in `block in activate_bin_path'
        16: from /usr/lib64/ruby/2.5.0/rubygems/specification.rb:1439:in `activate'
        15: from /usr/lib64/ruby/2.5.0/rubygems/specification.rb:1457:in `activate_dependencies'
        14: from /usr/lib64/ruby/2.5.0/rubygems/specification.rb:1457:in `each'
        13: from /usr/lib64/ruby/2.5.0/rubygems/specification.rb:1471:in `block in activate_dependencies'
        12: from /usr/lib64/ruby/2.5.0/rubygems/specification.rb:1439:in `activate'
        11: from /usr/lib64/ruby/2.5.0/rubygems/specification.rb:1457:in `activate_dependencies'
        10: from /usr/lib64/ruby/2.5.0/rubygems/specification.rb:1457:in `each'
         9: from /usr/lib64/ruby/2.5.0/rubygems/specification.rb:1471:in `block in activate_dependencies'
         8: from /usr/lib64/ruby/2.5.0/rubygems/specification.rb:1439:in `activate'
         7: from /usr/lib64/ruby/2.5.0/rubygems/specification.rb:1457:in `activate_dependencies'
         6: from /usr/lib64/ruby/2.5.0/rubygems/specification.rb:1457:in `each'
         5: from /usr/lib64/ruby/2.5.0/rubygems/specification.rb:1471:in `block in activate_dependencies'
         4: from /usr/lib64/ruby/2.5.0/rubygems/specification.rb:1439:in `activate'
         3: from /usr/lib64/ruby/2.5.0/rubygems/specification.rb:1457:in `activate_dependencies'
         2: from /usr/lib64/ruby/2.5.0/rubygems/specification.rb:1457:in `each'
         1: from /usr/lib64/ruby/2.5.0/rubygems/specification.rb:1468:in `block in activate_dependencies'
/usr/lib64/ruby/2.5.0/rubygems/dependency.rb:310:in `to_specs': Could not find 'nokogiri' (>= 1.5.9) among 104 total gem(s) (Gem::MissingSpecError)
Checked in 'GEM_PATH=/home/goodwin/.gem/ruby/2.5.0:/usr/lib64/ruby/gems/2.5.0', execute `gem env` for more information

gem install rails

127.0.0.1       linux-name # в консоли глянь название своего хоста