Python diary site author says python and django is easy is understandable. Don't downvote me for that.

Rails installation have become a bit complicated in since rails 3 , hope bundled goes the rubygems, rack, rake way and become a standard installation soon with all ruby distributions.

JavaScript runtime dependency for coffeescript should have been for 20% configuration crowd instead of the 80% convention crowd who face install issues.

Will do a blog post/screencast on setting up ruby and rails on various platforms and share it here on HN by this weekend

I noticed the same thing although I was trying to install with RVM. Apparently all the debian packages are old and so you're not supposed to use them. Unfortunately there's no complete up-to-date guide for linux. Hopefully someone in the RoR community will write a bash script or at least create an auto-update for the debian packaging system