The best tips & code examples for Ruby/Rails development.
Encountering the “extconf.rb failed” error during gem installation can be a real headache for Ruby developers. Let’s break down what this error means and how to tackle it effectively. What is the “extconf.rb failed” Error? When you try to install a gem that includes native extensions, Ruby uses a script called extconf.rb to check for … Read more
Have you tried doing yum install ruby in CentOS 5.5? If you have the default repositories configured, you will notice that it installs the ancient Ruby 1.8.5. Not ready to move up to Ruby 1.9, but would like to install Ruby 1.8.7 – well here is how to do it! Install Ruby 1.8.7 on CentOS … Read more
Are you attempting to install the sqlite3-ruby gem and you are receiving this error? Building native extensions. This could take a while… ERROR: Error installing sqlite3-ruby: ERROR: Failed to build gem native extension. /usr/bin/ruby1.8 extconf.rb extconf.rb:3:in `require’: no such file to load — mkmf (LoadError) from extconf.rb:3 Gem files will remain installed in /usr/lib/ruby/gems/1.8/gems/sqlite3-1.3.3 for … Read more
RubyGems is a package manager for Ruby, allowing developers to install, update, and manage Ruby libraries (gems) easily. If you’re working with Ruby on Ubuntu Linux, having RubyGems set up is essential for accessing the vast ecosystem of Ruby packages. This guide explains the steps to install RubyGems on Ubuntu, making it quick and hassle-free … Read more
Welcome to this tutorial that will describe how to SSH to a Linux, Windows, etc. server using Ruby. This post will give you a complete code example to get you up and running right away! The code below will connect to the server specific and run the ls -al command. Be sure to change the … Read more