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安装 rails 12.04 错误

tag-icon • tag-icon 12.04 ruby rails rvm
安装 rails 12.04 错误

我已遵循此页面上的所有内容https://www.digitalocean.com/community/articles/how-to-install-ruby-on-rails-on-ubuntu-12-04-lts-precise-pangolin-with-rvm

一切顺利，直到安装轨道的命令

gem install rails

我收到此错误：

ERROR:  While executing gem ... (Gem::RemoteFetcher::UnknownHostError)
    no such name (http://api.rubygems.org/api/v1/dependencies?gems=activerecord-deprecated_finders)

每次尝试错误消息时都会显示不同的 gem 依赖项？gems=.......

对这个问题有什么建议吗？

编辑：

这是执行 coomand 后的完整堆栈跟踪gem install rails -V

HEAD https://api.rubygems.org/latest_specs.4.8.gz
302 Moved Temporarily
HEAD https://s3.amazonaws.com/production.s3.rubygems.org/latest_specs.4.8.gz
200 OK
GET https://api.rubygems.org/latest_specs.4.8.gz
302 Moved Temporarily
GET https://s3.amazonaws.com/production.s3.rubygems.org/latest_specs.4.8.gz
200 OK
HEAD http://api.rubygems.org/latest_specs.4.8.gz
302 Moved Temporarily
HEAD http://production.s3.rubygems.org/latest_specs.4.8.gz
200 OK
GET http://api.rubygems.org/latest_specs.4.8.gz
302 Moved Temporarily
GET http://production.s3.rubygems.org/latest_specs.4.8.gz
200 OK
HEAD https://api.rubygems.org/api/v1/dependencies
302 Moved Temporarily
HEAD https://bundler.rubygems.org/api/v1/dependencies
200 OK
HEAD http://api.rubygems.org/api/v1/dependencies
302 Moved Temporarily
HEAD http://bundler.rubygems.org/api/v1/dependencies
200 OK
GET https://api.rubygems.org/api/v1/dependencies?gems=rails
302 Moved Temporarily
GET https://bundler.rubygems.org/api/v1/dependencies?gems=rails
200 OK
GET http://api.rubygems.org/api/v1/dependencies?gems=rails
302 Moved Temporarily
GET http://bundler.rubygems.org/api/v1/dependencies?gems=rails
200 OK
GET https://api.rubygems.org/api/v1/dependencies?gems=railties
302 Moved Temporarily
GET https://bundler.rubygems.org/api/v1/dependencies?gems=railties
200 OK
GET http://api.rubygems.org/api/v1/dependencies?gems=railties
302 Moved Temporarily
GET http://bundler.rubygems.org/api/v1/dependencies?gems=railties
200 OK
GET https://api.rubygems.org/api/v1/dependencies?gems=actionmailer
302 Moved Temporarily
GET https://bundler.rubygems.org/api/v1/dependencies?gems=actionmailer
200 OK
GET http://api.rubygems.org/api/v1/dependencies?gems=actionmailer
302 Moved Temporarily
GET http://bundler.rubygems.org/api/v1/dependencies?gems=actionmailer
200 OK
GET https://api.rubygems.org/api/v1/dependencies?gems=activerecord
302 Moved Temporarily
GET https://bundler.rubygems.org/api/v1/dependencies?gems=activerecord
200 OK
GET http://api.rubygems.org/api/v1/dependencies?gems=activerecord
302 Moved Temporarily
GET http://bundler.rubygems.org/api/v1/dependencies?gems=activerecord
200 OK
GET https://api.rubygems.org/api/v1/dependencies?gems=actionpack
302 Moved Temporarily
GET https://bundler.rubygems.org/api/v1/dependencies?gems=actionpack
200 OK
GET http://api.rubygems.org/api/v1/dependencies?gems=actionpack
302 Moved Temporarily
GET http://bundler.rubygems.org/api/v1/dependencies?gems=actionpack
200 OK
GET https://api.rubygems.org/api/v1/dependencies?gems=activesupport
302 Moved Temporarily
GET https://bundler.rubygems.org/api/v1/dependencies?gems=activesupport
200 OK
GET http://api.rubygems.org/api/v1/dependencies?gems=activesupport
302 Moved Temporarily
GET http://bundler.rubygems.org/api/v1/dependencies?gems=activesupport
200 OK
GET https://api.rubygems.org/api/v1/dependencies?gems=activemodel
302 Moved Temporarily
GET https://bundler.rubygems.org/api/v1/dependencies?gems=activemodel
200 OK
GET http://api.rubygems.org/api/v1/dependencies?gems=activemodel
302 Moved Temporarily
GET http://bundler.rubygems.org/api/v1/dependencies?gems=activemodel
200 OK
GET https://api.rubygems.org/api/v1/dependencies?gems=sprockets-rails
302 Moved Temporarily
ERROR:  While executing gem ... (Gem::RemoteFetcher::UnknownHostError)
    no such name (https://api.rubygems.org/api/v1/dependencies?gems=sprockets-rails)

答案1

我上周按照这里的说明安装了轨道：

http://railsapps.github.io/installrubyonrails-ubuntu.html

各操作指南之间的显著差异如下：

--ruby在命令中添加：

\curl -L https://get.rvm.io | bash -s stable --ruby

更新 RVM 的命令如下：

rvm get stable --autolibs=enable

要使用的 ruby​​ 版本已明确设置：

rvm --default use ruby-2.1.0

js.Node 的安装

sudo apt-get install nodejs

安装 rails 之前也要明确设置版本：

rvm use [email protected] --create

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