Links - marmur88/sysadmin GitHub Wiki
CheatSheet info https://gist.github.com/elmendalerenda/4461140
Packets for debian - http://packages.debian.org/jessie/ruby
about hashes - http://ruby.about.com/od/rubyfeatures/a/hashes.htm
About SSH keys - http://sshkeychain.sourceforge.net/mirrors/SSH-with-Keys-HOWTO/SSH-with-Keys-HOWTO-4.html
How to use screen - http://www.cyberciti.biz/tips/linux-screen-command-howto.html
Just enough Ruby for Chef - http://docs.opscode.com/just_enough_ruby_for_chef.html
Chef Fundamentals - https://learnchef.opscode.com/screencasts/fundi-webinar-week-3/
Chef Webinars (videos) - http://www.opscode.com/blog/2013/10/25/chef-fundamentals-webinar-series-week-2-recording-available-and-register-for-week-3/
Difference between ruby symbols and strings - http://www.robertsosinski.com/2009/01/11/the-difference-between-ruby-symbols-and-strings/
SSH Tunneing Explained - http://chamibuddhika.wordpress.com/2012/03/21/ssh-tunnelling-explained/
Markdown Cheatsheet - https://github.com/adam-p/markdown-here/wiki/Markdown-Cheatsheet#wiki-headers