Error when installing Ruby on Rails: “Failed to build gem native extension”

Question

I\'m running Crunchbang 11 (Debian-based).

I\'m trying to install Ruby on Rails, like this:

gem install rails --version 4.0.0

I ge

Answer 1

i'm running elementary os 5 and what i do is.

sudo gem update --system

and then try again.

sudo gem install rails