I'm unable to get Rails properly installed and working on my openSUSE Tumbleweed machine.
I'm broadly following the [RailsGirls instructions](http://guides.railsgirls.com/install#setup-for-linux) (modified accordingly since they don't have a specific script for openSUSE, only Ubuntu and Fedora).
First, I installed RVM and had it install and default to ruby 2.3.1.
Then I did `gem install bundler` which worked fine.
`gem install rails` failed during nokogiri compilation until [I had it use the system libraries](http://stackoverflow.com/a/27280099/2934226). But it seems like the things I install with `gem install` don't actually seem to be getting acknowledged as being installed:
$ NOKOGIRI_USE_SYSTEM_LIBRARIES=true gem install nokogiri
$ gem install rails
[works and installs rails and a bunch of other gems as dependencies]
$ which rails
$ gem list | grep -i rails | wc -l
$ rails -v
What the heck is going on here?