Author Archives: Ariejan de Vroom

Dynamic Queue Assignment for Resque Jobs

By Ariejan de Vroom | Published: March 16, 2010
Resque is a Redis-backed library for creating background jobs, placing those jobs on multiple queues, and processing them later. Sounds great! Let’s dive in directly: class Archive @queue = :file_serve   def self.perform(repo_id, branch = 'master') repo = Repository.find(repo_id) repo.create_archive(branch) end end   Resque.enqueue(Archive, @repo.id) This example was taken from the Resque README. [...]
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Setup a self-signed SSL site with Apache2

By Ariejan de Vroom | Published: March 8, 2010
Some things need to be secure. Login and registration pages are often among them. This guide will show you how to quickly set-up a SSL site with a self-signed certificate and automatic HTTP-to-HTTPS redirect. This is ideal for setting up staging environments. I’ll assume you have a standard Debian system with the apache2 package installed [...]
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Presentation: Heroku & Jeweler + Gemcutter

By Ariejan de Vroom | Published: December 11, 2009
A small presentation by Ariejan on two topics: Heroku – What is Heroku and how does it compare to Amazon EC2 and Kabisa’s Hosting Jeweler + Gemcutter – How to use Jeweler to manage your gem and push it to gemcutter
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Xen: How to fix “SIOCSIFADDR: No such device”

By Ariejan de Vroom | Published: December 11, 2009
Yesterday I had to clone a VPS to run some CPU and memory intensive tests. With our current setup (Xen + LVM), cloning an image on the fly is easy. After configuring a new IP address for the clone, I booted up the system. Nice, but I ran into a problem: Configuring network interfaces...SIOCSIFADDR: No such [...]
Posted in hosting | Tagged , , , , | 1 Comment

Ruby and SSL Certificate Validation

By Ariejan de Vroom | Published: December 4, 2009
If your ruby app is doing SSL, you have probably seen one of the following errors: doc = Hpricot(open("https://www.cert.org/blogs/vuls/rss.xml")) # => /usr/lib/ruby/1.8/net/http.rb:590:in `connect': certificate verify failed (OpenSSL::SSL::SSLError) or warning: peer certificate won't be verified in this SSL session The solution is to make sure ruby has access to the right set of root certificates.
Posted in ruby | Tagged , , | 1 Comment