Ruby stuff

A collection of Ruby gotchas  

Using gems behind a proxy 
append -p http://your-proxy-server-name:your-proxy-server-port after any install or update commands 

or 


add export http_proxy=http://username:password@your.proxy.com:80 to your /etc/bash.bashrc file  


Getting a no such file to load -- mkmf error 
run sudo apt-get install build-essential libopenssl-$RUBY_VERSION-dev