Author Archives: Ariejan de Vroom

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 [...]
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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.
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