https://blog.wu-boy.com/tags/ruby-on-rails/Recent content in Ruby on Rails on 小惡魔 - AppleBOYHugoen-usappleboy.tw@gmail.com (Appleboy)appleboy.tw@gmail.com (Appleboy)Wed, 19 Mar 2014 03:14:29 +0000https://blog.wu-boy.com/2014/03/using-capistrano-to-deploy-current-branch/Wed, 19 Mar 2014 03:14:29 +0000appleboy.tw@gmail.com (Appleboy)https://blog.wu-boy.com/2014/03/using-capistrano-to-deploy-current-branch/<div style="margin:0 auto; text-align:center"> <a href="https://www.flickr.com/photos/appleboy/13256445484/" title="CapistranoLogo by appleboy46, on Flickr"><img src="https://i2.wp.com/farm4.staticflickr.com/3756/13256445484_d0ca222f48.jpg?resize=500%2C125&#038;ssl=1" alt="CapistranoLogo" data-recalc-dims="1" /></a> </div> <p><a href="http://capistranorb.com/">Capistrano</a> 是一套用 <a href="https://www.ruby-lang.org/en/">Ruby</a> 語言所寫的 Deploy Tool，可以用來管理多台伺服器自動化流程，在 <a href="http://rubyonrails.org/">Rails</a> 專案內都會使用這套 Deploy Tool，也方便管理遠端機器。這次有個問題是，假設我們在 Staging 或 Production 設定檔分別定義了 <code>:branch</code> 變數如下</p> <div> <pre class="brush: ruby; title: ; notranslate" title="">set :branch, "master" set :env, "production"</pre> </div>https://blog.wu-boy.com/2014/02/ruby-debugger-and-no-source-for-ruby-error/Thu, 27 Feb 2014 03:22:11 +0000appleboy.tw@gmail.com (Appleboy)https://blog.wu-boy.com/2014/02/ruby-debugger-and-no-source-for-ruby-error/<div style="margin:0 auto; text-align:center"> <a href="https://www.flickr.com/photos/appleboy/12343631243/" title="Ruby_logo by appleboy46, on Flickr"><img style="max-height:200px; " src="https://i2.wp.com/farm6.staticflickr.com/5492/12343631243_7bc052fa05.jpg?w=840&#038;ssl=1" alt="Ruby_logo" data-recalc-dims="1" /></a> </div> <p>當您在特定 <a href="https://www.ruby-lang.org/en/">Ruby</a> 版本下安裝 <a href="https://rubygems.org/gems/debugger">debugger gem</a> 套件，會碰到底下錯誤訊息</p> <div> <pre class="brush: bash; title: ; notranslate" title="">Using debugger-ruby_core_source (1.2.4) Installing debugger-linecache (1.2.4) with native extensions Gem::Installer::ExtensionBuildError: ERROR: Failed to build gem native extension. <p>checking for vm_core.h&hellip; no checking for vm_core.h&hellip; no Makefile creation failed</p> <hr> <p>No source for ruby-2.0.0-p451 provided with debugger-ruby_core_source gem. **************************************************************************</pre></p> </div> <p>會發生此錯誤的最大原因是在 <code>debugger-ruby_core_source</code> 原始碼內，只有包含特定少數的 Headers，解決此錯誤也非常簡單，可以直接將目前的 ruby 版本 headers 安裝到 <code>debugger-ruby_core_source</code> 目錄內即可，透國 rake 就可以完成</p> <div> <pre class="brush: bash; title: ; notranslate" title="">$ cd /usr/local/rvm/gems/ruby-2.0.0-p451/gems/debugger-ruby_core_source-1.2.4/lib/debugger/ruby_core_source $ rake add_source VERSION=2.0.0-p451 --trace</pre> </div> <p>執行完成後，就可以回到原專案目錄透過 <code>bundle install</code> 繼續安裝套件。</p>https://blog.wu-boy.com/2014/02/ruby-with-nginx-on-ubuntu-debian/Thu, 06 Feb 2014 14:58:14 +0000appleboy.tw@gmail.com (Appleboy)https://blog.wu-boy.com/2014/02/ruby-with-nginx-on-ubuntu-debian/<div style="margin:0 auto; text-align:center"> <a href="https://www.flickr.com/photos/appleboy/12343631243/" title="Ruby_logo by appleboy46, on Flickr"><img style="max-height:200px; " src="https://i2.wp.com/farm6.staticflickr.com/5492/12343631243_7bc052fa05.jpg?w=840&#038;ssl=1" alt="Ruby_logo" data-recalc-dims="1" /></a> </div> <p>本篇用來紀錄學習 <a href="http://rubyonrails.org/">Ruby on Rails</a> 所需要的開發環境，請不要輕易嘗試使用 Windows 當開發環境，因為真的很不好裝，又很難除錯，所以作者建議開發環境一定要有 Linux 機器，如果是個人電腦用 Mac 也沒這問題。用 Rails 可以快速開發 Web 搭配 MySQL 資料庫，完成後可以透過 <a href="https://github.com/capistrano/capistrano">Capistrano</a> 工具幫助 Deploy 到 Production Server。底下會一一介紹如何在 Debian 機器上架設好 <a href="https://www.ruby-lang.org/en/">Ruby</a> + <a href="http://nginx.org">Nginx</a> 環境</p>