In this blog post I'll demonstrate how to create a JRuby fat jar that will include all gem dependencies inside of it. The dependencies themselves will be handled by Bundler.

1. Let's create a CentOS container to run our tests in:

docker run -dt --name=centos --hostname=centos --net=host …

In my last post, I discussed the performance gains on a multicore system when switching from MRI Ruby to Jruby.

However, in that post I used RVM to install Jruby and that in some cases may not be the best choice.

Here's how I installed Jruby in CentOS 6.x …

Hi all,

Kinda torn between Jruby and Groovy, so I figured I'll write down the steps I took to get Jruby working on FreeBSD 9.1.

Prerequisites:

• OpenJDK 7 installed (follow steps 1-4)

1. Make sure bash is installed - it looks like Jruby needs it even if you don't actually …