You should be thankful the tutorial used pre-built Ubuntu packages and didn't include manual compiling. There should be simpler installation instructions with

You should be thankful the tutorial used pre-built Ubuntu packages and didn't include manual compiling. There should be simpler installation instructions with rvm. Or using Heroku. Or someone may provide pre-built EC2 images. I'm sure you could reduce those 25 steps to one-liner (although it would be cryptic). There are endless possibilities to automate the process, it's just that this exact article does everything by hand.