Installing Rails 2 on Ubuntu

Ubuntu, like many other free operating systems, have a beautiful package management system that will track what depends on what, what is installed, what is not, what is not longer needed, which versions of each. If you tamper with it, you are asking for trouble. If you do a manual upgrade, from sources, eventually a package upgrade will downgrade your version or some other application being incompatible will not work. And once you start throwing files in /usr, you start to ask for trouble. I’ve been using this type of operating systems for years and I’ve learned this by experience.

Nevertheless you, as I, want to try and code with Rails 2, right? Well, this is how I installed it in my Kubuntu box (should work the same for any Ubuntu and Debian derivate as well as others). I’ve decided to install everything on /opt/rails. I like to keep more-or-less self-contained directories in /opt. So I started with:

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